Designed to meet the demands of mobile musicians needing slim lightweight instrument protection with generous storage capacity. Fits most tenor trombone makes / models and is designed for slim lightweight horn protection with generous storage capacity for sheet music and other accessories. Durable abrasion resistant nylon exterior with thick protective 20mm padding along with reinforced puncture resistant bell protection against damage. Comfortable carrying handles with padded handle wrap, subway handle, includes shoulder strap, and built-in backpack straps with tuck-away pocket. Rear side sheet music pocket and reinforced puncture resistant slide storage pocket. Dimensions: Bell Diameter: Fits up to a 9.5” (24.1cm) bell Overall Exterior Dimensions: 35(l) x 12(w) x 12(h)” ; 89 x 30.5 x 30.5cm Overall Interior Length: 33" ; 83.8cm Slide pocket Interior Storage Dimensions: 32 x 1.5 x 5” ; 81.3 x 3.8 x 12.7cm Sheet Music Pocket Interior Storage Dimensions: 13.5 x 1 x 9” ; 34.3 x 2.5 x 22.9cm Weight: Bag: 4.1lbs ; 1.9kg Shoulder Strap:7oz ; 0.2kg