Wizard wrap, made from a non-asbestos, heat resistant material, has a nice thick edge for easier more accurate marking and helps keep your soapstone from slipping. 36 inch tape measure printed on the Medium & large wizard-limits the need for an extra tape measure. Circumference & quartering scale printed on every wrap-limits the need for calculation. Packaged in a durable, reusable container that will hold up in your tool box.