Soundwear Professional Euphonium Case Black The Soundwear Professional Euphonium Case offers outstanding protection for your instrument The Professional Case features a heavy cordura exterior with 1 75-inch interior padding plus a 1/4-inch laminated hard shell for ultimate protection All Soundwear brass instrument bags include BIPS - Bell Impact Protection System, which is an L-shaped ABS frame around the bell section of the bag to absorb all kinds of impact to the bell from any direction for increased protection and to increase the upright standing stability of the case The Professional Euphonium Case also features a heavy-duty zipper closure, front pocket for accessories, mouthpiece pouch and detachable rucksack straps