Durable MaterialThe backpack straps are made of premium 2.5cm wide nylon webbing and plastic buckle for sturdiness and durability. Easy to Use No additional tools required and easy to install. The backpack chest strap attach easily and stay in place, and the pack chest has a quick release buckle for easy snapping and unbuckling, compatible with most packs. AdjustableThe original length of our chest strap for rucksack are all 33.5cm, you can adjust the length according to your needs. No sewing required. FunctionThe rucksack chest strap can fix the shoulder straps on both sides at the same time, effectively preventing the shoulder straps from sliding, so that the backpack can be tightly fixed on the shoulders. Not only does it free up your hands, but it also distributes the pressure generated by the pack to the back, thereby reducing the pressure on your shoulders. Wide Application Backpack straps are perfect for jogging, hiking, mountaineering, biking, traveling, fishing, boating, kayaking and other outdoor activities. It is a good helper for your outdoor activities. Suitable for briefcases, luggage, handbags, trolleys, etc., to help you enjoy your travels better. 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.