The Kaces Ace Duet series violin case line combines the strength of a wood shell with the modern features and comfort of a lightweight polyfoam case, including an interior padded suspension system, plush velour blanket, two padded removable straps, and ergonomic handles. Strong wood frame and a polyfoam internal cover Durable water-resistant 1200 denier nylon exterior Interior padded "suspension" system Plush interior with padded sides and corners Removable padded back pack doubles as a shoulder strap Metal hardware Ergonomic rubberized bottom Two bow spinners (single on 1/4 size model) Plush velour blanket Luggage-grade self correcting zippers Reflective safety strip Hook and loop latch