Guitar Case Backpack Strap features a contoured design and breathable mesh padding, distributing weight evenly for comfort Enjoy a customized fit with adjustable backpack straps and sternum strap Crafted from tear-resistant nylon to withstand daily use. Screw lock swivel carabiners support a 110Lbs capacity 4 robust 304 stainless steel wire keyrings tether straps to the case, ensuring enhanced safety during transport Pairs perfectly with our acoustic or electric guitar hard cases (sold separately)