The PB316SB case is extremely protective and lightweight. The interior mold was designed to accomodate double & large wrap horns.The case also features a water resistant nylon exterior, soft velvoa interior, a padded divider separating the bell from the body, and is backpackable with our optional backpack strap.Please see model # PB316CT for standard french horns.Interior dimensions: 17" x 13" x 4" Height: 12 Width: 0 Weight: 9