Description: This ruler made of Hard Plastic , highest quality Made of plastic material, good toughness, clear and durable. They are one of the most commonly used professional clothing curve feet Built-in scale design for not easy to wear out and measure clearly according your need Material : Hard Plastic Size Chart: Size : Approx. 31 x 12 cm / 12.2 x 4.7 inch Package Includes: 1 x Comma Shaped French Curve Ruler Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Please understand