Protec Trumpet Rectangular PRO PAC Case with Mute Storage Compartment, Model PB301 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 &amp; 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