●Lightweight impact-resistant frame that has a universal fit that protects your trumpet from damage and also features a spacious compartment for mute and accessory storage ●Extremely durable and weather resistant 1680 ballistic nylon exterior ●Includes thickly padded adjustable shoulder strap with grip surface & strong metal hardware, luggage ID tag, and backpackable with optional backpack strap (Protec model#: BPSTRAP, Amazon ASIN: B0002KX5E6) ●Large gusseted storage pocket with a built-in zippered 2 pocket organizer ●Long lasting custom metal zippers with a locking ring for an optional case lock