Calvert Adjustable Oblong Viola Cases are made with strong plywood construction, durable hardware, and leatherette handle. Other features include full suspension, cloth-covered exterior with full length music pocket, zipper closure with latch, and detachable back-pack style straps. The silver-gray plush interior provides four Hill-style bow-holders, Two storage compartments for accessories, and an instrument blanket. Adjustable for 13”-16 ½” Viola. Weighs 7 lbs.