Features: 1.It can be pasted tightly and can be used repeatedly. 2.Made of silica gel, this product is very soft and won't do harm to your drum and no residue left. 3.For the use of eliminating the overtone of drum, which can make the sound more beautiful. 4.They can be used on any drumhead in any position, even upside down and vertical. 5.It is toxic-free and without smell, which allows you to use it freely. specification:Description: This product is made of silica gel, transparent and easy to clean. It is toxic-free and on smell. With its small size, you can paste it on any drum head in any position. The function of it is to eliminate the overtone of drum. It can be pasted tightly and can be used repeatedly. Made of silica gel, this product is very soft and won't do harm to your drum and no residue left. For the use of eliminating the overtone of drum, which can make the sound more beautiful. They can be used on any drum head in any position, even upside down and vertical. It is toxic-free and without smell, which allows you to use it freely. s: Item: Silencing Paste Material: Silica Gel Size (Single): Approx. 3.1 * 2.4 * 0.36cm / * 1.2 * 0.9 * 0.1inch Weight: Approx. 12g Colour: Blue, Coffee (Optional) Package Included: 1 * Set of Silencing Paste (6pcs)