Use these Sew Easy Fabric Grips for safe and easy rotary cutting. Simply adhere these self-adhesive grips to the back of rulers and templates and they will prevent slipping. This is ideal for ensuring that you cut and mark the lines you want, even onto smoother and difficult fabrics.There are 18 fabric grips in a pack, each of which measures 10 mm in diameter. Apply them to the bottom of your rulers or mats and they will prevent movement. Size: 10 mm18 packSelf-adhesiveAdhere to the back of rulers and templates to prevent them slippingMakes rotary cutting easier and saferSew Easy Fabric Grips 18 Pack