Made of excellent materials, flexible and durable. When you use it, when you practice drum, the volume will drop immediately. The perfect tool for beginner or advanced drummers to learn and maintain proper techniques. Features -Material: ABS, plastic, carbon fiber -Size: About 30.50X30.50X4.00cm/11.99X11.99X1.57in -Manufactured with , durable and serviceable for a long term to use. -The perfect tool for beginner or advanced drummers to learn and maintain proper techniques. -The workmanship of this product is perfect, and you will have a good user experience. -Reduce the volume of dumb drum practice so as not to disturb your family or neighbors. -The perfect accessory for practicing drums. Can be given as a gift to friends. Package list: 1 x dumb drum