This ruler is a must-have tool for students, designers and of all ages. Can be applied in school, home, library, study room, office etc. Simple and clear dual measures, one side of the ruler is centimetre scale and the other inch scale; You can get accurate number according to your requirement. Feature - Color: White. - Material: Plastic. - Size: 20.3x3.2x0.25cm. - Simple and clear dual measures, one side of the ruler is centimetre scale and the other inch scale; You can get accurate number according to your requirement. - The plastic straight ruler is made of plastic, hard and uneasy to break. - Common size ruler can be applied in school, home, library, study room, office etc.Perfect measuring tool for students, artists, designers, architects, engineers, and more. - This ruler is a must-have tool for students, designers and of all ages. Can be applied in school, home, library, study room, office etc. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 4 x Straight Rulers