Protec Bb Clarinet Slimline PRO PAC Case, Black, Model PB307 Lightweight impact-resistant mold lined with soft velvet and features a precision fit that protects your clarinet from damage Long lasting custom metal zippers with a locking ring for an optional case lock Extremely durable and weather resistant 1680 ballistic nylon exterior Large gusseted storage pocket with a built-in zippered 2 pocket organizer 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)