The nesting drums are made out of weather-resistant, washable PVC and can therefore be played inside or outside. They are stackable and lightweight. The heads can be removed and played as a single frame drum. Mallets are included. In short, these drums are lightweight, always in tune, stackable, space-saving, washable weather-resistant and maintenance free. Finish: Woodstock Purple Durable synthetic head Lightweight Stackable Body: PVC Set consists of 3 drums