This violin case is made of several layers of high performance composite materials.FeaturesExtremely compact. - Ultra-light weight and sturdy. - Triple-ply composite shell with Airex core. - Interior suspension fittings. - Airline carry-on friendly. - Backpack straps with 2 number combination locks. - This case does not have any bow holders and bows may have to be carried separately in bow tubes or bow cases. Bow tubes and Bow cases sold separately.