Fusion Premium Series PB-04-B Trumpet Bag Jacquard exterior, a hardwearing, water resistant, rip-stop polyester material. Soft non-scratch, non-fibrous quality velvet mix interior. 30 mm (1.18) high-density foam padding for all round protection Anti-crush molded base and padded shell reinforced areas 3 outer pockets for mouthpieces, sheet music, and other accessories Comfortable, padded backpack straps with integrated flow system plus chest and waist belts