Pedi Viola Case, Red 16.5" Patent design: Aluminum Alloy Layer Eco concept; Waterproof materials which have passed eco testing Hidden thicker ergonomic ultra-light backpack straps. Constant temperature design keeps your violin unaffected by external temperature and humidity High quality bow holders; Improved interior top pillow Length: 79.5cm /Width: 26cm / Thickness: 15cm ; Weight: 5.51 lbs