True size of mat is 30" x 60". Double sided with different color on each side. Self healing with proper use of cutters. Heavy duty and durable (6 lbs)

The measurements are printed along the outside of the mat and along its center axes so you don’t have to worry about covering up your numbers with your fabric or rulers. The mat also features 45-degree and 60-degree angles as well as concentric squares for squaring up your blocks.