U.S. Art Supply 36 inch x 48 inch White/Blue Professional Self Healing 6-Layer Double Sided Durable Non-Slip PVC Cutting Mat

Durable 6-Layer Self Healing Construction 1/2grid with 1/8marks for precise alignment as well as 45 and 60 guides. The green/black mats are reversible with grid markings on each side. Cutting mats also have lines for cutting diagonals Protect your table top from sharp blades writing instruments and other art and craft tools.