PRICES MAY VARY. 【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 from 8"-16" 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…