Protec’s IPAC cases were designed to meet the needs of professional musicians needing compact lightweight protection with a customizable fit. High quality and loaded with features IPAC trombone cases accommodate most trombone makes and models. Instrument Fit Information: Fits most F- attachment tenor trombone makes and models. Accommodates bells up to 10.5 (26.67cm). Fits even the largest of valves including Thayer valves. Comfort Features: Dual-corded handle design with padded handle wrap. Removable padded shoulder strap featuring an I.D. tag. Backpackable with optional backpack strap (model #BPSTRAP). Exterior Features: Compact lightweight shock absorbing wood frame. Weather-resistant 1680 ballistic nylon exterior with reinforced zig-zag stitching. Large front-side zippered pocket. Built-in organizer with two interior sleeves to hold pens keys and small accessories. QuickLock™ allows you to securely shut an empty case without zippering. Custom strong metal hardware. Long lasting custom molded zippers. Durable molded rubber feet. Interior Features: Soft padded nylex lining stitched through the wood frame. Adjustable tenon brace. 3 modular lid blocks for a customized fit (5 x 2.5 x 1 ). 2 modular body section blocks for a customized fit (7 x 2.5 x 2.5 ; 5 x 2.5 x 2.5 ). Modular bell flair block with secure strap. Modular padded slide wall with secure strap and cleaning rod storage sleeve. Large accessory storage zippered compartment. Double padded mouthpiece pouch with zippered pocket and belt loops. Instrument secure strap provides stability. Weight & Measurements: External Dimensions: 34 x 13 x 12 Weight: 8.40 lbs.