Reddit reviews 4 Pieces Flexible Rulers 12 Inch Transparent Rulers Shatterproof Plastic Ruler Straight Soft Ruler Dual Side Rulers for Student School Office

Materials: these rulers are made of soft plastic. 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.Multiple uses: these flexible rulers can be used to measure not only straight-line distances but also arcs such as cylinders, which will meet your diverse measurement needs.Durable: because of good quality, these rulers' texture is soft. They will not be easily broken like other ordinary plastic rulers, so they can be used for a long time.Multiple applications: 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.Package includes: there are four rulers of different colors. Each ruler is 30 cm/ 11.76 inches long and the effective scale is 30 cm/12 inches. You can choose your favorite color according to your preferences, or you can give it to classmates, colleagues or friends.