A new and unique approach makes this dissecting board more convenient than any other found on the market today. It is no longer necessary to buy different sizes as this board offers a large surface on one side and two smaller ones on the other side. Made of heavy-duty stain resistant thick polyethylene, it will last for years to come without changing shape, bending or swelling. Will not dull fine surgical blades. In order to contain fluids, a drain groove is carved all around the edge of the DissecTable™. Side 1: Large cutting area including dimensional scales in inches and centimeters 60 x 80 mm grid made of 48 x 10 mm squares Six dimensional circles from 1/8 to 5/8 in. and 4 to 14 mm in diameter Side 2: Two cutting boards half the size with dimensional scales in inches and centimeters All corners have rubber feet giving more stability to the working surface. Dimensions: 575 mm x 400 mm x 12.5 mm (23 x 16 x 1/2 in H).