Protec Contoured Bb/F Pro Pac Trombone CaseProTec PROPAC Tenor Trombone Case Instrument Fit Information: Fits most F attachment tenor trombone makes and models Accommodates bells up to 9. 25" (235mm) Fits even the largest of valves including Thayer valves Comfort Features: Dual corded handle design with padded handle wrap Thickly padded adjustable shoulder strap with grip surface & strong metal hardware Backpackable with optional backpack strap (model #BPSTRAP) Exterior Features: Compact