SKB 20 Jumbo Form-Case, also for 12-string Guitars. Designed to fit all common jumbo designs, the SKB-20 incorporates superior structural and design features such as molecular weight polyethylene shell and rigid EPS interior foam to cradle the guitar securely and absorb shock, molded in bumper design to provide maximum protection for the valance system, and full-length neck support, inside dimensions: body lenght: 54,61 cm, body depth: 14,61 cm, lower bout: 4,45 cm, upper bout: 30,48 cm