The protective cover of the trombone of the musical instrument is made of , which has a moderate cushioning effect. Reusable and easy to clean. Easy to install. Don't get it dirty when you don't use it. Features -Material: polyester cotton -Size 2XL: About 18.00X18.00X0.30cm/7.07X7.07X0.12inch (It is recommended to use instruments with a diameter of about 19-23cm.) -Size 3XL: About 20.00X20.00X0.30cm/7.86X7.86X0.12inch (It is recommended to use instruments with a diameter of about -27cm.) -Size 4XL: About 25.00X25.00X0.30cm/9.82X9.82X0.12inch (It is recommended to use instruments with a diameter of about 28-34cm.) -Made from , the cover is elastic, durable and practical. -Easy to put on and take off without hurting your instrument. -Strict quality inspection system ensures that you get product. -The excellent performance of our product will bring you a good experience. -You can buy the professional and practical product at an . Package list: 1 x Trombone Horn Cover