Sturdy, durable rubberwood. These two layered sets neatly hide serving tools in an underlying notched tray. The round upper cutting board mounted on a swivel swings to one side to easily access the four tools: 1 each hard, medium, and semi-soft cheese knives plus one cheese fork. Measures from 4-5/8' to 5' long, 8-5/8' dia., 1-1/2' high.