Features: Elevate your trombone's performances with our set of 5 cork spit valves seals, designed to ensures airtight efficiency and enhance sound quality. Crafted from high grade cork material, these trombone water key corks resist deformation and offer a precise fit for seamless integration with your instrument. Great for trombonists of all levels, from students honing their skills to professional musicians seeking accessories for their craft. Whether practicing solo, performing in school orchestras, or captivating audiences at concerts, these cork plugs are essential for maintaining impeccable trombone playability. Experience the perfect blend of functionality and convenience with these easy to install cork stoppers, a must have for any trombone enthusiast looking to achieve musical expression. Specifications: Material: Cork Color: As The Picture Shows Package Weight: approx.2g Size: approx.9x4mm/0.35x0.16in Package Includes: 5Pcs Trumpet Cork Pad note: Please allow 1-3mm error due to manual measurement. Please make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!