4 ply maple wood, reinforcement rings diecast hoops rack toms: 8″x8″, 10″x8″, 12″x9″, 13″x10″, 14″x11″ floor toms: 14″x14″, 16″x16″, 18″x16″ bass drums: 20″x18″, 22″x18″, 24″x18″ finish: red onyx