Flexible Rulers 30cm12 Inch Transparent Rulers Shatterproof Plastic Ruler Straight Soft Ruler Dual Side Rulers for Student School Office 4 Colors

Safe Materials: these rulers are made of environmentally rubber. The materials are safe and environmental-friendly. Rulers can be folded and can be placed in your pencil case, or on the office desk to save space. Easy to use: Soft plastic rulers are lightweight, easy to carry out and store. No sharp edges, it’s hard to scratch your hands and unbreakable, easy to hold it to draw lines. Multiple usages: there are scales on both sides of the ruler, which are centimeter scale and inch scale. Every ruler's surface has 4 circular hollow designs with wavy shapes, which can meet your multiple using needs to the utmost. Wide applications: great for schoolwork or activities that require straight lines, and artists, designers, architects, engineers, students; Suitable for classroom, school, office, home and more usages . Size information: each ruler is about 18.5 cm/ 7.28 inches long, the effective measuring scale is 15 cm/ 6 inches, right size that able to meet your needs for measuring, with a hole design on the top, you can hang them conveniently on your wall or desk .