Crossrock CRF3000SVFHTBK Shaped 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. Detachable zipper accessory pocket and a Velcro strap near neck for fastening shoulder rest 2 bow holders and a transparent protective tube for strings Deluxe backpack straps and thick violin cover