Cut-N-Carry's patented food safety hook promotes sanitary carrying away from body and clothing contact and convenient hanging for safe drying after washing. The original quad 4 board system helps prevent cross-contamination between food types. System contains green, red, white, yellow cutting boards and a free smart chart. Tough surface won't dull knives and prevents unsafe cut-grooving where dirt and bacteria can hide. NSF listed. Measures 24" length by 18" width by 1/2" thick.