Drum Sponge Block Non Slip Fixing Replacement Block Drum Hoop Guard Drum Block Black 1. High-hardness EVA core + Nylon Sticker + rubber, and 2. The Nylon Sticker adheres directly to the drum mat, blocking the front of the drum to prevent forward movement, making operation simple and convenient. 3. The side mesh rubber protects the drum rim from damage and ensures durability and wear resistance. This product relies on hook-type Nylon Sticker to grip the plush on the drum mat to prevent the drum from moving forward, so it is not suitable for smooth floors or glossy carpets. Color:Black Material:EVA+Nylon Sticker+Rubber Package Contents: 1 * Drum Sponge Block Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.