Educational stationery drawing measuring template rulers, plastic material. Designed with multi shape geometric template. This ruler measures up to 18cm, can show 1mm each scale. Great helper for students and children learning use, also a practical and promotional gift for your child. Note: Not suitable for children under 3 years old, be careful of sharp parts. Product Name : Template Ruler; Design : Multi Shape Geometric Template Material : Plastic; Color : Black, Green Ruler Size : 22 x 10.5cm/ 8.6"x 4.1"(L* W ); Ruler Measurement Range : 0-20cm Weight : 26g Package Content : 1 x Template Ruler 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.