Description: 【Materials】:Our cork pads are crafted from premium natural cork , ensuring they are sturdy and long term. The construction provides stable performance for extended use 【Compatibility】: Specifically designed to fit trumpets and Replacement, these water key cork pads can also be trimmed to accommodate other models, offering flexibility for various instruments 【Easy Installation】: This Trombone Water Key set serves as replacement for damaged or old parts. The components are easy to install, allowing you to quickly repair your instrument's functionality 【Craftsmanship】:Each in this Trumpet Corks set is meticulously crafted to ensure optimal elasticity and sound insulation performance, enhancing the overall playing experience of your trombone 【Comprehensive Package】:The package includes 20 corks, ensuring you have ample supply for replacements or multiple instruments Specification: Material: Cork Size Chart:0.9cmx0.4cm/0.35inchx0.16inch Package Includes: 20 Trumpet Cork Pads Note: Color might be slightly different due to the color calibration of each individual . Please allow slightly measuring deviation due to manual measurement.