About theProtec PB312 Pro PAC Cornet Case:
 
In 1984, Protec developed and patented the PRO PAC case to be a lighter alternative to traditional wood cases while offering the storage benefits of a gig bag. Today PRO PAC cases are trusted by professional musicians around the world to protect their priceless instruments. Each is carefully crafted using premium materials resulting in a superior case that is second to none. At the heart is an instrument fit that was meticulously engineered to be exceptionally safe and secure. PRO PAC cases are a true reflection of Protec's vision: innovative design for creative people.