Thank you for viewing! This is a ruler, essential for handmade crafts. It's 30*15cm, a convenient size. Having this size makes it easy to cut fabric at right angles without distortion. It's thick and sturdy, so you can use it as a cutting mat, and it's also useful when using a rotary cutter! ★It's new, so it has a protective film. Please peel it off before use. ★I also sell fabrics and other handmade supplies! I'd be happy if you would take a look. ★I will offer a discount if you purchase multiple items ( ^ω^) #ShanshanHandmade