Crossrock CRF3000OVFHTBK Oblong Hardshell Violin Case, 4/4 Full Size, High Tech Composite Exterior Sturdy high-tech composite exterior. Highly anti-impact, waterproof and super light weight. Thick water resistant rubber strip case seal. High quality latches and integrated hygrometer. 9.3'x3.9'x2.6' large accessory compartment can stock your shoulder rest 2 bow holders and a transparent protective tube for strings Deluxe backpack straps and thick violin cover