Cut and prepare food on the polyethylene Waterproof Cutting Board. Aluminum spikes hold food while cutting. Durable board has rounded edges and is easy to clean. Four rubber suction feet anchor the board securely to the surface. Two polyethylene food guards prevent food from sliding off the board. The Small board weighs 1-1/4 lbs. (.57kg). The Large board and weighs 2-1/4 lbs. (1.0kg). Dishwasher safe.