Environmentally friendly silicone drum stick grips, does not hurt hands after wearing it. Easy to install, different sizes for different drum sticks. Suitable for beginners to practice, more labor-saving, does not fall off. Specifications: Model: 5#, 7# (Optional) Color: black and o, black and white, black and grey, black (Optional) Material: ABS, Silicone Model: 5#, Applicable drumstick size : 0.53inch-0.58inch(13.5mm-14.7mm), Applicable drumstick model: 5A, 5B drumsticks Model: 7#, Applicable drumstick size : 0.5inch-0.54inch(12.5mm-13.7mm), Applicable drumstick model: 7A, 7B drumsticks Finger Ring Diameter: 2.3cm/0.91in Drum Stick Grips Diameter: 1.2cm/0.47in Drum Stick Grips Length: 3.2cm/1.26in Item Weight: 16g / 0.56oz Package Weight: 26g / 0.92oz Package Size: 13 * 6.2 * 2.5cm / 5.12 * 2.44 * 0.98in Package List: 2 * Drum Stick Grips