Black Hdhyk 2 Pack Nylon Universal Backpack Sternum Strap-3/4 Inch Webbing Chest backpack chest strap adjustable backpack sternum strap chest belt with buckle for hiking and jogging, black Suitable for handbags,Water bag backpack, ice bag backpack, children backpack, sports backpack? luggage, totes, briefcases, carts, wheeled luggage and more, can release your hands and help you enjoy your trips better. Keep shoulder straps of your backpack securely in place, and give your hands free. Good choice for outdoor activities. Note: Please allow a slight errors due to manual measurements. ?Nylon material?Backpack strap is made of 0.75? nylon material, which has good toughness and light weight, suitable for repeated and long-term use, and it can also be quickly unbuckled when you want to take off your bag ?Adjustable Size?The length of the the backpack chest strap can be adjusted as needed, compatible with most sizes. ?Wide usage?they can be applied for mountaineering backpacks, student backpacks, luggage bags, travel bags, and more, bringing you fluent using experiences ?Outdoor activities?the chest strap for backpack can keep the backpack shoulder strap from slipping off, making your mountain travel easier, and you can easily adjust the size during outdoor traveling, suitable for both adults and children