Protec Bb Clarinet Carry-All PRO PAC Case with Interior Sheet Music Compartment and Accessory Compartments, Model PB307CA Fits most Bb clarinet makes and models and is designed with an impact-resistant mold lined with soft lining that protects your clarinet from damage and features a hidden sheet music compartment and 2 interior compartments for accessories. Tough wood shell frame covered with extremely durable and weather resistant 1680 ballistic nylon, dual corded handle design with comfortable padded handle wrap, and convenient subway handle. Large exterior pocket with built-in organizer for small accessories, QuickLock allows you to securely shut an empty case without zippering, rubber runners protect corners and zipper tape from impacts, durable molded rubber feet. Long lasting custom metal zippers with a locking ring for an optional case lock. 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).