Package Content This package includes 2 adjustable backpack chest straps. (Black) Material The backpack chest strap is made of high-quality material, which is wear-resistant and breathable, sturdy and durable, and has a long service life. Tightening: Latches Adjustable backpack chest strap The width of the backpack chest strap is 2.5 centimeters, with a total length of 90 centimeters. The length can be adjusted between 25 and 70 centimeters, fixing the shoulder strap of the backpack in place, allowing your hands to be free. Reduce Back Pressure These backpack support straps can distribute the pressure generated by the backpack to the shoulders and back, fixing the straps on both sides to prevent them from sliding down, reducing the swing of the backpack during running and maintaining body balance. Widely used The strap is suitable for various backpacks and backpacks. It is very suitable for hiking, cycling, traveling, fishing, camping, and more.