The Protec M409 French Horn double mute bag is the perfect storage solution for the horn player needing a bag for a straight and stop mute. The M409 bag features a water-resistant nylon exterior, plus a large front and side pocket for small accessories. The built-in organizer has two pencil holder sleeves and two zippered pockets. This convenient mute bag also has a topside handle, shoulder strap and a chair strap to fasten the bag to your chair while playing. The soft interior lining is non-abrasive padded nylex while the modular wall allows for extra protection between the mutes. The chair strap and the built-in mute holder function allows quick access to your mutes during rehearsal or performance and fits most makes and models of straight and stop mutes.