Da Vinci Natural Bamboo Groove Cutting Board, Extra Large 18 x 11.8 Inch Wood Cutting Board Extra Large 18" x 12" cutting board with groove Drip groove to collect juices when cutting fruits, vegetables or meats 0.71" (11/16") extra thickness for added durability 11/16 inch thickness means it is made of vertically cut bamboo resulting in a much stronger board Made of Eco Friendly renewable 100% antimicrobial natural bamboo that will not dull your knife