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Best Choice MARBIG(R) 
MARBIG(R) 975317B Ruler 30cm Clear Plastic Strong and durableLadiz 
30 Pcs Clear Plastic Ruler Set, 12 Inch/30 cm Transparent Straight Ruler with Centimeters and Inches, Flexible Measuring 【Premium Material】:Made of high quality plastic material, durable, sturdy and not easy to break. sturdy, lightweight, cl
Double Sided Stainless Steel Metal Ruler Rule Precision 15cm 20cm 30cm 6" / 150mm / 15cm. 12" / 300mm / 30cm. 8" / 200mm / 20cm. 12", 8" & 6" Stainless Steel Ruler.Best Value STAEDTLER 
Staedtler Plastic Ruler, Clear, 30 cm Length: 30 cm
3D Multi-Angle Ruler Square Protractor DIY Aluminum Alloy for Engineer Carpenter Anodized Surface for Precision: The surface of the square protractor is anodized for enhanced hardness and wear resistanMARBIG(R) 
Marbig Ruler 30cm Colour Fluorescent Colours: Available in blue, green, pink, and purple.Duramax 
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A lightweight and durablKEYROAD Keyroad Flexible Draw Ruler, 20 cm Length Made of flexible and durable materialWADY WADY 2 Pieces Flexible Ruler, Flexible Ruler Plastic Ruler Shatterproof Straight Edge Ruler 15/30cm Soft Bendable Ruler Material: The flexible ruler is made of high-quality PVC, flexible and bendable, good flexibility, not easy to break, saQwertyui 4 Pcs Metal Triangular Ruler Set with Storage Box, Aluminum Alloy Drafting Ruler,Geometric Protractor, Ideal for Student Premium Quality: Constructed from robust aluminum alloy, this drafting ruler set boasts outstanding durability and resisWestcott Westcott Non-Shatter Ruler, Clear, 12 Inches,(13862) Total flexibility and clarity of measurementJoyzan Joyzan L Shape Ruler, Carpenter Square Framing Squares 90 Degree Right Angle Rulers Stainless Steel Measurement Tool Cra Stainless Steel Material And High Hardness: Stainless steel angle ruler is made of high quality stainless steel, high hagernie Plastic Measuring Rolling Ruler, Plastic Parallel Rolling Ruler with Built in Protractor, Drawing Roller Ruler, Parallel [Parallel Line Drawing] The rolling ruler features a roller for easy parallel line drawing, ensuring stability and preveSTAEDTLER Staedtler Mars 563 20 Aluminium Ruler, 20 cm Design includes inking edgeZheigaoxea Acrylic Quilting Rulers - 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