Features: Crafted from quality cork, these pads are water resistant and easy to install, fitting a variety of trombone models for optimal protection. With its quality materials and precise fit, this set ensures your trombone remain in top condition, making it an essential accessory for any brass instrument player. Enhances performances of your trombone with our spit valves water key cork pad set, designed to prevent leaks and ensure smooth operations. Perfect for use in concerts, rehearsals, home practice, and educational settings where consistent performances is important. Great for professional musicians, band members, music enthusiasts, and students seeking reliable instrument maintenance. Specifications: Materials: Silicones/Cork Color: As The Picture Shows Package Weight: approx.15g Cork Pad Size: approx.10x4mm/0.39x0.15in (More Size Detail, Please See Picture.) Package Includes: Set of 10Pcs Trombone Water Key Cork Pad note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!