This is the medium sized (French Horn) Neotech mute bag. Though marked as "french horn" sized, it only fits barrel style horn mutes. Does not fit the tall cone style tunable straight mutes. This will also hold most trumpet mutes. Made of durable neoprene and has a drawstring closure for fast, easy access. This mute bag also has snaphook and Velcro attachments. Made in the USA.