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Best Choice Quality Park 
Quality Park Interoffice Envelopes, String and Button, Brown Kraft, 10 x 13, 100 per Case, (63561) DURABLE: Made from heavyweight 28 lb. paper stockQuality Park 
Quality Park 2-Side Interoffice Envelopes, Redi-Tac Box-Style, Brown Kraft, 10 x 13, 100 per Box, (63666) REDI-TAC: Unique redi-tac closure is durable and convenient
TUDOR INTEROFFICE ENVELOPE 324X229 H/WEIGHT COLOURS ASSORTED PACK OF 12 Best Value The Office-Pros 
Inter-Office Envelopes, Inter-Department Envelopes, 10" x 13", String & Button Tie, Double Sidded, RED – 5 Envelopes/Pac Two-Sided Five-Column Format
Durable String & Button Interoffice Envelopes, Brown Kraft, 10x13, Pack of 1 Durable String & Button Interoffice Envelopes. Why choose our String & Button Interoffice Envelopes?. Model: InterofficeLION 
Lion File-N-Send Poly Inter-Office Envelopes, 10 x 13 Inches, Opaque Charcoal Gray (Black), 6 EA/Pack, 1 Pack (22700-CG) 10" x 13"Quality Park 
Quality Park 10 x 13 Interoffice Envelopes, with Reusable Redi-Tac Self Seal Closure, for Interoffice Mail, Heavyweight These 10x13 interoffice envelopes with a self seal Redi-Tac closure are reusable, fast & thrifty; made of heavyweight 32Quality Park Interoffice Envelopes, String and Button, Brown Kraft, 10 x 13 Quality Park Interoffice Envelopes are designed for durability and convenience. Made from heavyweight 28 lb. With five cQuality Park Quality Park 1-Side Print Interoffice Envelopes, String-Tie, Red, 10 x 13, 100 per Carton, (63574) DURABLE: Made from heavyweight 28 lb. Red stock100 Quality Park Interoffice Envelopes 10 x 13 Brown Kraft String & Button The product is a pack of 100 Quality Park interoffice envelopes, measuring 10 x 13 inches and made of brown Kraft paper.Quality Park Quality Park Interoffice Envelopes, Ungummed, Brown Kraft, 4.5 x 10.375, 500 per Box, (63262) DURABLE: Made from heavyweight 28 lb. paper stockBlue Summit Supplies Blue Summit Inter-Department Envelopes, String Tie, Brown Kraft, 9 x 12 Inches – 100 Envelopes Durable construction from heavyweight 28 lb. paper stockPromo CUMBERLAND ENVELOPES INTEROFFICE UNGUMMED POCKET 100GSM 324 X 229MM GOLD Printed interoffice. 324 X 229MM GOLD. Heavy gold pocket envelope. 250 per box.Amazon Basics Amazon Basics Poly Envelope, snap button, Letter Size, 16 Packs Poly envelope for protecting and transporting documentsTUDOR INTEROFFICE ENVELOPE Pocket 380x255 Tac H/Weight Gold 140237 (Box of 250) Universal Universal 63568 Light Brown Kraft String & Button Interoffice Envelope, 10 x 13, 100/Box Sold as 100/Box.12% Off Interoffice Envelopes, String and Button, Brown Kraft, 10 x 13, 100 per Case Make sure your office mailings are secure with these Interoffice Envelopes. The String and Button closure keeps the contQuality Park Quality Park, Interoffice Envelopes, String-Tie Box, Brown Kraft, 10x13, 100 per Box (63562), Light Brown REUSABLE: Space for 63 entries so this envelope can be used multiple times100 Envelopes Quality Park 10 x 13 String & Button Interoffice Envelope Red Perfect for frequent office routing, Quality Park's interoffice envelopes are constructed from heavyweight 28 lb. 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