Premium Bamboo 3-Piece Cutting Board Set Made of bamboo ( hard, durable, antibacterial, ecologically sound). Silicone edges to prevent slipping. Juice wells. Wash in mild soapy water, rinse, and dry thoroughly. Will not dull knives. Practical, usable sizes: Small, 10 5/8" x 7 7/8" x 5/8". Medium, 14" x 9' x 5/8". Large, 15 3/4" x 11 3/4" x 5/8"