Material - The ruler is made of durable plastic material, which is clear, durable, high accuracy, good flexibility. It's easy for us to draw pictures on paper.Measurement Unit - Metric measurements. (1 Inch = 254 cm) High quality sewing template , 100% satisfaction.High Accuracy - Line detail and clear,perfect for manual cutting plate making.Application - Widely used for drawing, cutting, plate and other clothing design for students, designers, pattern maker and tailor, you can choose this ruler sets to DIY.Triple-cornered ruler size: 91 x 44 x 87inchComma ruler size: 118inchHalf round ruler size: 10 x 53inchMultifunctional ruler size: 102 x 49inchMulti-style and multifunction rulers you can choose to DIY.Made of durable flexible plastic.They are one of the most commonly used clothing curve feet.Built-in scale design for not easy to wear out and measure clearly according your need.colour:TransparentMaterial:plasticPackage Contents:1 * triangular rule1 * multifunction ruler1 * comma ruler1 * half round rulerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.