The Shell Violin Travel Cases are individually engineered and soft non-scratching black velour interior lining to prevent scratches and scuffs from marring the finish of the classical violin instruments. STURDY AND LIGHTWEIGHT – This Case is designed by musicians with the highest quality weather-resistant material made to protect our expensive classical instruments. VERSATILE DESIGN – Featuring adjustable shoulder straps that converts to a backpack, Strong Soft Genuine Leather. Handles , and with back straps, makes it easy-to-carry for longer distances. Made to fit all makes and models of 4/4 full-sized classic and electric violins. SPACIOUS POCKETS – Our case features 2 convenient bow holder, can support the shoulder rests.