Adjustable backpack chest strap: Keep shoulder straps of your backpack securely in place, and gives your hands free.Reduce back pressure: These support chest straps for backpack can disperses the pressure generated by the backpack to the shoulders and back, fasten the straps on both sides to prevent the strap from sliding down to reduce the swing of the backpack during running to keep the body balanced.Premium thick webbing material: The rucksack chest strap features solid stitching and durable black POM and PP materials, non-slip and does not hurt your hands, portable and easy to wipe clean.Easy to install: Each adjustable sternum strap includes a slide lock, so it can be quickly release buckle and unbuckle. Simply unclip the buckle and adjust the straps to fit perfectly around your case. The belt is firmly connected and hardly disturbs your trip.Universal backpack chest straps: These support chest straps for backpack are suitable for all backpack brands and crossbody bags, can be as good helper of bags during hiking and jogging. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.