The Gator Medium Modular Mute Bag for High Brass Players provides four thick cotton compartments designed to securely hold four common trumpet or French horn mutes. The bag features modular walls with touch-fasteners that allow for customized configurations. The modular walls plus exterior pockets allow you to store a wide range of accessories. The Medium Modular Mute Bag is made of durable weather-resistant fabric and has thick plush cotton walls.