The Protec Violin Pro Pac is a simple yet elegant case that provides everything you need as a mobile violinist. This lightweight case features a tough water & abrasions resistant nylon exterior with two roomy exterior pockets for your accessories and sheet music. The inside features a soft lining that cradles your violin and the humidity is monitored by a built-in hygrometer. Comfort Features Backpackable with optional backpack strap (model #BPSTRAP) Includes padded shoulder strap and ID tag Subway handle strap with contoured rubber grip Interior Features Soft non-abrasive velvoa lining Bow clips 2 Blanket Suspension System Exterior Features Built-in organizer to hold pens keys and small accessories Lightweight shock absorbing wood frame Waterproof 1680D Ballistic Nylon Exterior Large Front Pocket Backside sheet music pocket 5.8 lb.