1.Each backpack chest strap is equipped with a durable quick release buckle, which is very easy to buckle and unbuckle; you can adjust it to your expected length.
2.The backpack sternum strap with adjustable non-slip clips to prevent slippage when applied to different backpack straps.
3.Our chest strap was equipped with 2 D-ring for attaching some light stuff such as keychains earphone wire and Eyeglasses.
4.Keeps shoulder straps of your backpack securely in place, and gives your hands free.
5.The length of backpack sternum strap can be adjusted from 4 "to 16",which fits for most sizes of backpacks.