DescriptionHigh quality felt strap button washers, prevent metal-to-metal contact, perfectly protect your precious drum cymbals. Lightweight perfect round shape design. Improve your drum cymbal sound and performance.Feature- Color: Black - Material: cotton - Size: 5.1x5.1x3.1cm - Prevent snugly fastened strap buttons from harming an instrument's finish by providing a strong, safe buffer - Providing great protection for your cymbal - Made of cotton material, durable to use - Made with fine craftsmanship, and durable. - A great gift for your friend and family.