Our Contoured French Horn PRO PAC case is designed to accommodate double and large wrap horns. Featuring a plywood frame with thick foam padding, soft velvoa interior, two mouthpiece holders, and roomy exterior pocket for sheet music and accessories. Lastly, this case also features backpack loops to work with our optional backpack strap. For screwbell French horns, please see models # PB316SB or # IP316SB. Fits a bell size up to 12.5"