Photo 1 of Ikerall Sternum Straps For Backpacks 1-pack,Adjustable Chest Strap with Emergency Whistle Buckle Suitable for Universal Outdoor Fabric Backpack Straps(Black)

Double tap image to zoom

Photo 1 of Ikerall Sternum Straps For Backpacks 1-pack,Adjustable Chest Strap with Emergency Whistle Buckle Suitable for Universal Outdoor Fabric Backpack Straps(Black)Photo 2 of Ikerall Sternum Straps For Backpacks 1-pack,Adjustable Chest Strap with Emergency Whistle Buckle Suitable for Universal Outdoor Fabric Backpack Straps(Black)