Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice Maxwell & Williams 
Maxwell & Williams Cocktail & Co Hip Flask 170ML Stainless Steel Gift Boxed Elegant shape with a sleek profile and captive lid, designed for Cocktail & Co by Maxwell & WilliamsBest Value KIKISML 
Hip Flask, KIKISML 8Oz / 220ML Flask for Liquor Stainless Steel Spirit Flask with Never-Lose Cap and Funnel Leakproof Th Plackage Include: This flask set has a 8oz hip flasks for liquor and a funnel for you to pour your drink easily into the15% Off KIKISML 
Hip Flask, KIKISML 8Oz / 220ML Flask for Liquor Stainless Steel Spirit Flask with Never-Lose Cap and Funnel Leakproof Th Plackage Include: This flask set has a 8oz hip flasks for liquor and a funnel for you to pour your drink easily into theYowamho 
Yowamho Hip Flask for Liquor 8 Oz Stainless Steel with Metal Funnel, Easy Pour, Leakproof, Attached Screw-On Cap,304 Foo 【Warm Reminder】Please buy the product from the only store we've authorized:Yowamho Au.GADIEDIE 
GADIEDIE2 pcs Hip Flask for Liquor for Men Matte Black Stainless Steel Leakproof and Funnel, with Never-Lose Metal Cap, Materials: The hip flask is made of food grade 304 stainless steel, non toxic, anti–corrosion and anti-rust product.Young4us 
2 Pack Hip Flasks for Liquor, 8 Oz & 12 Oz Stainless Steel Leakproof Thin Flasks with Funnel for Men & Women (Matte Blac High-quality Food-grade Material: Made of premium food-grade stainless steel, these flask are non-toxic, anti–corrosion,13% Off STANLEY 
Stanley Classic Wide Mouth Flask 0.23L with Never-Lose Cap - Wide Mouth Stainless Steel Hip Flask for Easy Filling & Pou POCKET FRIENDLY: Stanley designed this 8-ounce stainless steel flask for the on the go whiskey connoisseur; The contoure15% Off Hianjoo 2-Pack 8 Oz Pink Bling Hip Flasks for Liquor, Hianjoo Leakproof Thin Stainless Steel Flasks Camping Pocket Flask with Fu 【Quality Material】 These hip flasks are made of high quality stainless steel, non-toxic, anti-rust and easy to clean.33% Off ABOOFAN ABOOFAN Holy Water Flask Stainless Steel Hip Flask Funny Whisky Halloween Decoration Wine Bottle for Him Dad Father Joke 🍾🍾 ✦✦✦ Holy water hip flask stainless steel funny mens religious for whiskey, church, and jesus lovers to your pastor.wyewye Hip Flask 8oz, Whisky Alcohol 304 Stainless Steel 100% Waterproof, Silver Flasks for Men with Funnel, Portable Pocket Pe 【Exquisite Design】This hip flask features a simple and stylish design with a siliver metal texture and smooth curves thaAbvian Portable Bracelet Flask for Alcohol, Hidden Stainless Steel Bangle Flask for Women with 100ml Capacity, Leak Proof and O Discreet Alcohol Storage: This cleverly designed bracelet flask features a hidden compartment to discreetly carry your f15% Off MOTYYA Flask Funnel Set, 8oz Stainless Steel Hip Flask with Metal Funnel, Discrete Shot Drinking of Alcohol, Whiskey, Rum and V ✅【High Quality】Gift Packing, 1 x 8OZ Hip Flask, 1 x Funnel, 2 x Little Cups, The flask are made of high-quality stainlesfohoa Hip Flasks for Liquor for Men Women 2 pcs 8Oz Silver Stainless Steel Flask with 2 pcs Funnels for Wedding Party Groomsma Great Value: a set of 2 8OZ stainless steel hip flasks are included in the package, and 2 stainless steel funnels are gi53% Off Thermos Thermos Stainless King Vacuum Insulated Flask, 1.2L, Midnight Blue, SK2010MBAUS Keeps hot 24 hours, cold 24 hoursThermos Thermos Stainless King Vacuum Insulated Flask, 1.2L, Midnight Blue, SK2010MBAUS Keeps hot 24 hours, cold 24 hoursRagproper Modern Glass Hip Flask for Whiskey and Spirits (Single Shot 100ml, Silicone Black) ELEGANT DESIGN & PATENTED GIFT SET: Elevate your sipping style with Ragproper's Glass Liquor Flask, a perfect blend of e22% Off Rabbit Rabbit Leak-Free Discreet Flask (Black) - R4-06138 3.25" x 1.2" x 6" NON-DETECTABLE: The discreet flask is perfect for carrying anywhere. It's made out of non-detectable Tritan plastic; perVeumoie Veumoie 1 Set Fish-Shape Hip Flask 5Oz Bottle Mini Pocket Flask Stainless Steel Drinkware for Outdoor Material: Constructed of stainless steel with a .M/B Hip Flask for Liquor for Men | Stainless Steel 6 7 8 Oz Small Pocket Flask Plated Matte Black - Leakproof Container with 35% Off Thermos THERMOcafe by Thermos Vacuum Insulated Slimline Flask, 500ml, Matte Black, ED05BLK6AUS Double wall vacuum insulation retains hot or cold temperaturesRUPEWA RUPEWA Hip Flask - 8oz Leak-Proof & Durable Stainless Steel Flask for Whiskey, Vodka, Liquor - for Men, Women, Travel & Crafted from top shelf food grade stainless steel, this flask is built to last. The high quality material ensures it canBinocktails Binocktails BEV-Cam 5 oz Camera Flask Holds 5 oz of your favorite beverageBinocktails Binocktails BEV-Cam 5 oz Camera Flask Holds 5 oz of your favorite beverageblackonvlm 2 Pcs Hip Flask, 6Oz/180ML Flask for Cocktails Espresso and Liquor, Stainless Steel Spirit Bootle with Wide Mouth, Ultra Sparkling and Stylish Design: The outer layer of the flask is inlaid with dazzling rhinestones , exuding luxury in an unFYJIDY Stainless Steel Flask Set,Leakproof Anti-Rust Solid Flasks with 2 Wine Glasses and 1 Funnel (7 OZ) Fashionable style: It has a brushed silver polished shiny finish that attracts the eye, and comes with a leak-proof screTOMVAES Hip Flasks for Liquor for Men Women 10 pcs Black 6OZ Hip Flask with Silver lid for Wedding Party Groomsman Bridesmaid Bi 【PERFECT SET】: You will receive 10 pieces of Stainless Steel Flask.RUPEWA RUPEWA Hip Flask 2-Pack - 8oz Leak-Proof & Durable for Whiskey, Vodka, Liquor - for Men, Women, Travel & Outdoor Crafted from top shelf food grade stainless steel, this flask is built to last. The high quality material ensures it can15% Off KIKISML Hip Flask, KIKISML 8Oz / 220ML Flask for Liquor Stainless Steel Spirit Flask with Never-Lose Cap and Funnel Leakproof Th Plackage Include: This flask set has a 8oz hip flasks for liquor and a funnel for you to pour your drink easily into theMizoxy MIZOXY 2 pcs 8 Oz Hip Flask for Liquor for Men Matte Black Stainless Steel Leakproof and Funnel, with Never-Lose Metal C Anti-Corrosion, Anti-Rust: Our flasks for liquor are made out of 304 (18/8) Stainless Steel, Non toxic, anti-corrosion a15% Off MUSONG MUSONG Stainless Steel Hip Flask with Built-in Cigarette Case, Leak-Proof Pocket Flask with Leather Wrapped Cover, Black 【Two In One Design】:The hip flask can hold 6 oz of your favorite liquor and has a compartment as built-in case for 6 cigWELANE WELANE Portable Hip Flask, 8oz Vintage Leak Proof Stainless Steel Flasks for Alcohol Portable Hip Flask, 8oz Vintage Lea 【Reliable Materials】The pocket flasks are made of food grade stainless steel. Safe and hygienic, sturdy and durable, itariv hommey 8oz Stainless Steel Hip Flask 240ML Liquor Alcohol Bottle Whisky Whiskey Flask Silver Small Mini Pocket Hip-Flask Drink Material: 18/8 Stainless SteelEiarrnp Eiarrnp 8oz Leather Flask for Liquor for Men Women - Gift Set Box Includes Flask Funnel Cups - Leak Proof Brown PU Leath High Quality: This 8oz flask is made of high-quality stainless steel. The flask is also equipped with a leak-proof cap a18% Off Ragproper Ragproper Modern Glass Hip Flask - Durable Liquor Flask with Cork and Silicone Lid Liners, Gunmetal and Plastic Lids, Sm LUXURIOUS GIFT SET FOR SPIRITS ENTHUSIASTS: Elevate your drinking experience with Ragproper’s Glass Liquor Flask. This mBaosity 2pcs Plastic Hip Flask for Liquor Pocket Drinkware 2Pcs Plastic Hip Flask For Liquor Pocket DrinkwareTi artisan Ti Artisan Titanium Wine Flask for Outdoor Camping, Hiking, Climbing, Ultralight Titanium Flask Wine Bottle with Funnel It's an ultralight flask that's still the perfect size to fit in your jacket pocket or rucksack.GoPong GoPong Tampon Flasks 6 Pack (9 oz Total) - Hidden Alcohol Travel Flasks for Women - Secret Liquor Containers for Nightcl DISCREET HIDDEN FLASKS: The 1.5 oz hidden flasks are designed to look like tampons so women can discreetly take drinks aPIURUF Hip Flask Colour Flagon Funnel Bangle Jug 3.5oz Whiskey Hip Flask Alcohol Bracelet Stainless Steel Camping Flagons Drink 304 stainless steel material, food grade copper cover, never rust, harmless to human , safe and durable to useGeneric Hip Flask Set with Funnel, 8Oz 304 Stainless Steel Liquor Flask Portable Leakproof Metal Flask Set for Storing Drinks an 【Gift Packing】: This flask set has a 8oz hip flasks for liquor and a funnel for you to pour your drink easily into the fBIGTEDDY 18oz Stainless Steel Hip Liquor Pocket Wine Bottle Whiskey Alcohol Flask Cap (500ml) - This stainless steel hip flask is easy to carry and take your favorite wine with you wherever you go.24% Off ariv hommey Ariv Hommey Stainless Steel Hip Flask Liquor Alcohol Whisky Whiskey Flask Silver Bottle Small Mini Pocket Hip-Flask Drin Material: 18/8 Stainless SteelFalvian 8Oz Stainless Steel Hip Flasks for Liquor - Leak Proof Camping Hip Flask with Funnel & Cup Gift Set for Men with Black L Durable & Compact Companion: Crafted from high-quality stainless steel, this hip flasks is built to last. Its 8oz (236mlGlaais Glaais 10PCS 220ml Reusable Plastic Travel Drink Pouches - Leakproof Hip Flask with Screw Cap, Foldable for Festivals, C 【10-Pack Value Set with 220ml Capacity: Meet Daily & Travel Needs】Each package includes 10 reusable drink pouches + 10 m15% Off KWANITHINK KWANITHINK Hip Flask, Stainless Steel 8oz Hip Flasks for Men with Funnel, Whiskey Flask for Outdoor Camping Climbing Hik [TOP MATERIAL] The hip flasks consists of high-quality food-grade 304 stainless steel, safe, durable and non-corrosive.SILVERANT SILVERANT Titanium Flask Canteen, 220ml Pocket Flask Camping Hip Flask with Funnel for Backpacking Camping Hiking with L 𝐒𝐓𝐎𝐑𝐘 𝐖𝐎𝐑𝐓𝐇𝐘 - There is nothing better than having a memorable day outdoors. Where you have spent quality timMILTON Milton Thermosteel Flip Lid Flask 350, Double Walled Vacuum Insulated Thermos 350 ml | 12 oz | 24 Hours Hot and Cold Wat ✅ Please ensure you choose the perfect size for your needs by consulting our detailed sizing information present on our24% Off COZYFEELING 2 Pack Hip Flask, 8oz / 220ml Hip Flasks for Liquor, Genuine Leather Wrapping, Equipped with a Stainless Steel Funnel, I Made of 304 stainless steel: Stainless steel hip flask is made of high-quality 304 stainless steel, environmentally frie30% Off Changor Changor Flask Bangle Bracelet Stainless Steel Hip Flask 100ml Concealed Drink Container for Wine Whiskey with Funnel for [Larger Capacity for Fun Events] With an outer diameter of 3.93in and an inner diameter of 2.75in this bracelet flask caKirbyBear Stainless Steel Hip Flask Gift Set with Funnel Portable Pocket Whiskey Flask for Men, Ideal for Hiking, Camping, Bar, BB 【Premium Quality Material】：Made from high-quality stainless steel with a comfortable leather wrap, this hip flask set isGoPong GoPong Hair Brush Flask 2 Pack (16 oz Total) - Party Brush Hidden Alcohol Travel Flasks for Women and Men – Secret Liquo 16 OUNCES TOTAL: Includes 2 convincing hairbrush flasks, one pink and seafoam green that holds 8oz each, which equals 10MDI Holy Jesus Flask GoPong GoPong Rain or Shine Umbrella Flask 2 Pack (24 oz Total) - Hidden Alcohol Travel Flasks - Secret Liquor Containers for T 24 OUNCES TOTAL: Includes 2 convincing umbrella flasks, one black and one navy that hold 12 ounce each, which equals 16BEZANU Portable Hip Flask, 8oz Colored Leak Proof Stainless Steel Flasks for Alcohol - Great Gift Idea Flask 【Reliable Materials】The pocket flasks are made of food grade stainless steel. Safe and hygienic, sturdy and durable, it11% Off JUMXSRLE 4oz Flask for Men, Leakproof Small Drinking Fish Flasks, Stainless Steel Flask Hip Flask Set, Camping Pocket Flask, Lase Premium Quality - Fish flask crafted from 304 stainless steel, our cool flasks are non-toxic, anti-corrosion, and anti-rNUZAMAS NUZAMAS 2 Oz Keychain Whiskey Flask Portable Mini 304 Stainless Steel Hip Flask Pocket Container with Keychain for Drink The NUZAMAS 2oz Liquor Flask is expertly crafted from premium stainless steel, ensuring exceptional durability and resis17% Off GoPong GoPong Ankle Monitor Flask (5 oz) - Hidden Alcohol Flask - Funny Liquor Gift for House Arrest Bracelet Prop FROM BEHIND BARS TO OPEN BAR: This funny novelty flask is the only ankle monitor that guarantees a good time; OnlookersComfysail Comfysail 3.5oz Smooth Stainless Steel Portable Bracelet Hip Flask for Storing Whiskey/Alcohol Please choose seller Coksupa to ensure you get the authentic Comfysail productWowagoga 2 Pcs Stainless Steel Tube Flask Hip Flask Alcohol Container BYOB (without Chain) Material: stainless steelCARLOTA Hip Flask Gift Set, Hip Flasks for Liquor for Men with Black Leather Cover, 8 Oz Hip Flask Set, 18/8 Stainless Steel Hip 【18/8 STAINLESS STEEL】Hip flasks for liquor for men adopts high quality 18/8 304 stainless steel with unique durable lasYimaa 20 Pieces Plastic Flasks Reusable Liquor Drink Juice Pouches with Spout Concealable Drinking Flasks Bags Adults Sneak Al Liquor pouch drinks flasks are made of BPA free food grade plastic material; Eco-friendly, odorless and leakproof.31% Off GoPong GoPong Ice Pack Flask 2 Pack (28 oz Total) - Hidden Alcohol Travel Flasks - 2 Secret Liquor Containers for Beaches, Crui 28 OUNCES TOTAL: Includes 2 convincing and convenient ice pack flasks that hold 14 ounces each, which equals 18 shots toariv hommey Ariv Hommey Hip Flask 7oz Stainless Steel Wine Whiskey Liquor Alcohol Bottle QUALITY MATERIAL: 18/8 Stainless Steel, rustproof and ecofriendly15% Off Omabeta Omabeta 5oz/150mL Stainless Steel Alcohol Flask, Leakproof Round Whiskey Bottle, Portable Outdoor Camping Gifts for Men, Versatile Outdoor Companion - The compact and leakproof stainless steel flask is ideal for camping trips, hiking adventuariv hommey Ariv Hommey 6X 7oz Stainless Steel Hip Flask Pocket Liquor Alcohol Engravable Whiskey Bottle ariv hommey Ariv Hommey 6PCS 9oz Stainless Steel Hip Flask Liquor Alcohol Whisky Whiskey Flask Silver Bottle Small Mini Pocket Hip-F 44% Off GENNISSY GENNISSY 304 18/8 Stainless Steel 8oz Flask - Brown Leather with 3 Cups and Funnel 100% Leak Proof ️1.PACKAGE INCLUDING : NO Gift box suggest for self use; 1 x 8OZ Hip Flask, 1 x Funnel, cap with 3 little cups 0.5OZ(diaJarklick 10 Pcs Mini Keychain Flask Bulk 1oz Stainless Steel Hip Jar Pocket Hidden Flask for Liquor Men Women Groomsmen Gifts wit Multiple Purposes: the mini flask for women can be applied to water, juice, or other beverage; Their versatility makes tKANGA SAT Hip Flask with Funnel, 8oz Portable Outdoor Stainless Steel Wine Flask Funnel Bottle, for Camping, Picnics, Outdoor Acti 【 Rose Red Portable Wine Pot Set 】The set includes an 8-ounce (approximately 220ml) rose red stainless steel wine jug an15% Off Stansport Stansport Stainless Steel Flask 64 Ounces (367-64) Whimsical take on a classic stainless steel pocket flaskV/A Flask 8oz, (18/8) Stainless Steel Black Leak Proof Whiskey Flask for Men, With Funnel and Shot Glasses Set ✅1 Pack Hip Flask for Liquor Soft Touch Leather Wrap with Funnel,and 4 shot glasses.YFS YFS Flask 12oz Steel Stainless Liquor for Men Drinking of Alcohol Whiskey Men, Leak Proof Pocket Hip Flask with Funnel It made by stainless steel, We need wash more time, use Liquor and Spirits wash this flask.AID STATION Aid Station - Textured softflask (150) Soft flask (with visible measurements)Maxam Maxam 12 Ounce Stainless Steel Flask, Lightweight Drinking Flask with a Screw-On, Leak Proof Lid, Polished Silver COOL STYLISH ELEGANCE: Maxam's Stainless Steel 12 ounce Flask is a lightweight container for liquid that holds 4 solid sYenghome Yenghome Hip Flask Set, 8 OZ Premium Stainless Steel Leather Flask with Black Leather Cover for Men, Leakproof Gift Flas 【Good Quality】This Hip Flask is made of 18/8 stainless steel which is safe and non-toxic, the material has good corrosio33% Off Lenoxx Hacienda 1L Stainless Steel Vacuum Flask, Insulated Hot & Cold Drink Container with Durable SS201 Build, Lightweight Des DOUBLE-WALLED STAINLESS STEEL INSULATION FOR ALL-DAY TEMPERATURE CONTROL – Built with a high-performance vacuum seal, thAohyue Stash Can Hairbrush Flask, Secret Compartment Hairbrush, Beach Safe for Valuables, Multi-Purpose Hidden Storage, Black 【Hairbrush with Secret Compartment】 This innovative hairbrush features a hidden compartment at the bottom that twists opBoundless Voyage Boundless Voyage Titanium Hip Flask Rust-Free Ultralight Small Liquor Flask Bottle for Whiskey Vodka Wine Outdoor Portab HEALTHY - These Titanium hip flasks are no after taste after you use it and it is also non-allergenic. Material: 99.8%tiTongke Tongke Hip Flask Set, 8 OZ Premium Stainless Steel Leather Flask with Brown Leather Cover for Men, Leakproof Gift Flask High Quality: Hip Flask is made of 18/8 stainless steel, the material has good corrosion resistance very durable for lonGeneric 8oz Hip Flask, Stainless Steel Alcohol Flask with Funnel & Leather Texture, Leak-Proof Portable WhiskyWhisky Vodka Rum Crafted from 304 stainless steel, this hip flask ensures pure taste preservation without metallic aftertaste. Corrosion-Auroly Portable Bracelet Flask for Women and Men, 100ml Stainless Steel Hip Flask with Leakproof Lid and Funnel, Ideal GIF, for Discreet & Portable Design: This cleverly designed bracelet flask is a hidden flask that fits comfortably on your wrist,20% Off Fengea Plastic Flask, Hidden Flask for Alcohol, Reusable Drink Pouches, Leak-Proof Soft Flask for Liquor, Compatible with 8oz（4 Premium Quality & Leak-Proof Design Made from food-grade plastic, these reusable alcohol pouches are BPA-free and compleModixun Modixun 8oz/230ml Hip Flask with Belt Leather Case, Easy to Carry, 18/8 304 Stainless Steel Hip Flask for Liquor, Leak P 【BELT LEATHER CASE】The hip flask comes with an exquisite and premium leather case. You can wear it on your belt, conveniBIGCOW Travel Cruise Beverage Set, Collapsible and Reusable Juice Travel Plastic Bags — 4 x 1000ml, 3 x 500ml, 3 x 250ml, 1 Fun for your different needs, and package comes with 1 funnel for transferring liquid.POPETPOP POPETPOP 250Ml Conical Glass Flask with Cork Wide Mouth Laboratory Flask for Chemistry Experiments Students Accurate Mea Core Functionality: This conical flask with a wide mouth and 250ml capacity supports precise measurement and mixing, makSmash Smash Stainless Steel Flask 300ml, Blue Enjoy your favourite beverage all day long with Smash thermal flaskSWIFTER SWIFTER 2x Soft Flask 500ml | Collapsible Running Water Bottle | Handheld or in Vest | Leakproof | Trail Hydration Flask Capacity | Each pack includes 2x 500ml (17 oz) collapsible soft flasks, weighing only 35 grams each. Perfect for runningYWQ YWQ Hip Flask for Liquor Matte Black 8 Oz Stainless Steel Leakproof with Funnel, Great Gift Idea Flask YWQ Hip Flask for Liquor Matte Black 8 Oz Stainless Steel Leakproof with Funnel, Great Gift Idea FlaskTewhc Plastic Flask, 20 Pack Reusable Plastic Drink Pouches, Leakproof Design for Outdoor Activities, Travel, Concerts and Cam 20-Pack Value Set with Practical Capacity: This set includes 20 reusable plastic drink pouches, each designed for convenThermos Thermos Stainless King Vacuum Insulated Flask, 1.2 Liters, Stainless Steel, SK2010ST4AUS Keeps hot 24 hours, cold 24 hoursThermos Thermos Stainless King Vacuum Insulated Flask, 1.2 Liters, Stainless Steel, SK2010ST4AUS Keeps hot 24 hours, cold 24 hoursCilzephyr 10PCS Drinks Flasks,Reusable Hip Flask with Spout,Liquor Pouch Drink Pouches for Festivals Hide Alcohol,Juice, Sneak Boo 1. Compact and Portable Design These reusable drink flasks are compact and easy to carry, making them perfect for festiv17% Off NISQIEY 10PCS 250ml Reusable Travel Drink Pouches - Leakproof Plastic Hip Flask with Screw Cap, Alcohol Juice Travel Plastic Fla 🥤【250ml 10-Pack Value Bundle】Each pack comes with 10 reusable drink pouches and 10 matching screw-on caps, each boastinATiAP Titanium Hip Flask Portable Leak Proof Wine Pot Flagon Drinking Cup with Cap for Outdoor Camping Hiking (Ice blue, 170ml This hip flask for liquor pot is made of titanium material. Matte surface of elegant design. Lightweight but durable.Smuggs Jugs Smuggs Jugs Disguised Hidden Four Bottle Two Tube Drinking Flasks Kit (4-16 oz, 2-8 oz) Sneak Cruise Alcohol-Rum Runner CRUISE ACCESSORY BRING YOUR OWN BOOZE: Six Different Labels-Take liquor on a cruise, to sporting events, or into glass rNILLOS NILLOS Clear Travel Drinks Flasks, 30 PCS Plastic Reusable Drink Container with Spout for Juice, Liquor, Rum, Water (200 【Safe Material】These drink pouches are made of high quality plastic. They are durable and reliable, safe and non-toxic.XuoAz XuoAz Flasks-Men Stainless-Steel Fish-Shape Liquor-Flask with Funnel Set 4oz Material : Constructed of stainless steel with a unique durable laser welded hinge. Comes with a FREE Easy Pour Funnel.Skidwedy 2 Pack Hip Flasks for Liquor, 8oz Matte Black Stainless Steel Leakproof Thin Hip Flask with Funnel for Men&Women, Drinki Food Grade Material: Our hip flasks are made of high-quality stainless steel, non-toxic, corrosion-resistant, and rust rArmastuse Armastuse Hip Flask 2 Hip Flask for Liquor 8 Oz Stainless Steel with Metal Funnel, Easy Pour, Leakproof, Attached Screw- High Quality Material:The hip flask is made of safe premium quality stainless steel, no rough or sharp edges,100% BPA-friplusmile iplusmile Glass Erlenmeyer Flask with Stoppers, 1000ml Wide Mouth Erlenmeyer Flask with Graduated for Lab, Experiment, C Material: This glass flask is made of high borate glass material, which is durable and has no peculiar smell.iplusmile iplusmile Glass Erlenmeyer Flask with Stoppers, 1000ml Wide Mouth Erlenmeyer Flask with Graduated for Lab, Experiment, C Material: This glass flask is made of high borate glass material, which is durable and has no peculiar smell.