These mats feature a durable 6-layer construction, a non-slip, non-glare surface, 1/2" grid with 1/8" marks for precise alignment as well as 15 increment angle guides. Resilient self-healing surface won't break down with repeated use and actually prolongs the life of knife blades. Each cutting mat is reversible with grid markings on each side. Features:

·Protect your table top from sharp blades, writing instruments and other art and craft tools

·Durable , 6-Ply Self Healing Construction

·Cutting mats have lines for cutting diagonals

·1/2" grid with 1/8" marks for precise alignment as well as 15 increment angle guides

·Each cutting mat is reversible with grid markings on each side.