Crossrock Case Saddle for Hard Guitar Case as backpack The patented design case saddle can change the traditional way of carrying instrument cases and can reduce carrying fatigue. RELAX-ON is an ergonomic design system that can reduce back stress, with good air-flow. The high strength of the release-buckle materials yields toughness and safety performance. Case straps can withstand more than 200kg of pulling force and won't tear. Dimension 50x30x3cm Weight 1kg (19.7x11.8x1.2" Weight 2.2lb).