Our Architec Cutting boards are made of rubberwood, a sustainable tropical hardwood known for its neutral color and durability. The patented Concave design features a gradual concave surface that keeps the juice where it belongs--with the meat, making it the favorite of all grilling enthusiasts. The meticulously designed surface retains over 1 cup of liquid on the surface, and our patented Gripper feet provide a safe, stable, non-slip cutting.. See full description for further details