Reliable Material:Made of high quality nylon,comfortable to touch, sturdy and durable,with good stability,not easy to break,wear or fade. .Adjustable and Stable:The adjustable length is 30 cm,and is compatible with most items. .Easy to Carry:The chest strap can be easily attached to the straps and adjusted to the correct height and length.Close the snap connection and the straps will be tightened securely and the strap will no longer slip. .Easy to unbuckle:Each strap includes a slide lock so it can be quick release buckle. .Widely Used:Ideal for outdoor activities such as camping,hiking, cycling,etc.It effectively prevents the backpack from sliding off your shoulders,making your journey easier. .