Protec's Tenor Saxophone Contoured PRO PAC Case sets the standard for protection and convenience. Each PRO PAC features a shaped wood shell frame which is lightweight and durable, tough weather resistant ballistic nylon exterior, high quality metal hardware, long-lasting custom zippers, and removable padded shoulder strap and I. The molded interior features a soft velvet lining that accommodates most modern saxophones (fitting bell sizes up to 6) and has built-in compartments for neck and mouthpiece.Backpackable with optional backpack strap (model #BPSTRAP). Removable padded shoulder strap and ID tag. Convenient subway handle Exterior Features. Built-in organizer to hold pens, keys, and small accessories. Weather-resistant 1680 ballistic nylon exterior with reinforced zig-zag stitching. Compatible with optional rain jacket (Model # RAIN3) Interior Features. Lightweight shock absorbing wood frame.