These 3mm thick mats feature a durable 5-layer construction, a non-slip, non-glare surface, 1" grid with 1/2" marks for precise alignment as well as 30, 45, 60 & 90 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 3mm Thick, 5-Ply Self Healing Construction
Cutting mats also have lines for cutting diagonals
1" grid with 1/2" marks for precise alignment as well as 30, 45, 60 & 90 angle guides
Each cutting mat is reversible with grid markings on each side.