3pc Transparent Ruler Plastic Rulers - Ruler 6 inch,8 inch,12 inch, Kids Ruler for School, Ruler with Centimeters, Millimeter and Inches, Assorted Colors, Clear Rulers, School Rulers

Plastic expands and contracts with heat. There is a small hollowed-out hole on our ruler. This small hole is to protect the ruler from thermal expansion and contraction. Let the ruler be used stably all the year. 6 Inch 8 Inch 12 Inch clear plastic ruler straight ruler flexible ruler with inches and metric for school classroom, home, or office (clear) Specifications: Material: plastic Measure range: 0-30cm/ 0-12 inch Color: clear Package: bags Weight: 18 g Package: bags Package includes: 3 x Plastic rulers (6 Inch 8 Inch 12 Inch ) Warm notice: Light shooting 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 +/- 1-3 cm.