Based on demand, the 17" square rotating mat is now available and rides on the success of our popular 12" Square Rotating Mat (RM-12S). This green rotating self-healing professional quality rotary mat features a smooth 360º rotation eliminating the need to move your body or your project around. It's simple to use, just cut, rotate mat, and cut again! Non-slip back for stable and safe cutting. Easily make 30º, 45º, 60º and 90º cuts. Especially designed for use with OLFA rotary cutters. Rotary mats protect your work area and greatly extend the life of your rotary blades.