Fusion 0-String Tenor Ukulele Gig Bag (PU-02-B) 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 Comfortable, padded backpack straps with integrated flow system plus chest and waist belts Fuse-On systems lets you attach Fusion accessories bags to your instrument bag