Description: Practical set - package includes 12 pieces clear green plastic geometric drawings templates in different shapes and 1 pack poly zipper envelopes for you to storage, very convenient for daily usages and carry Rulers measurement - adopt metric system, use centimeter as scale unit; 12pcs drawing templates are vary in sizes, length varies from 18 to 25 cm/ 7.09 to 9.84 inches, the width varies from 10 to 14.5cm/ 3.94 and 5.71 inches Material and shapes - these measuring rulers are made of durable plastic, can use for a long time; come with mulit-shapes, perfect for drawing different sizes of circle, ellipse, square and other patterns you want, really a wonderful handy drawing helpers Wide applications - these templates work well on architecture, mathematics, network technique, fractional measurement, art design or school learning Geometric rulers are ideal for art design, fractional measurement, building formwork, architecture, network technique and drawing templates in shool, office, home. Great help for students and children. Specification: Material: Plastic Color: Green Package Includes: 1 Piece Drawing Circle Template 1 Piece Ellipse Template 1 Piece Geometric Combination Template 1 Piece Large Crcle Template 1 Piece Mechanical Template 1 Piece Multifunctional Drawing Template 1 Piece 30cm Curve Template 1 Piece 25cm Curve Template 1 Piece 20cm Curve Template 1 Set Curve Template Note: Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks!