New Color: Yellow Chest Belt Chest Strap Backpack School Bag Anti-Slipping for Children and Adults Chest Strap Product Details Top Highlights ★ This is a strap that prevents backpack shoulder straps from slipping off. By attaching it to your backpack, it prevents the shoulder straps from slipping off and frees up your hands. ★ The belt length can be adjusted, making it suitable for everyone from small children to adults. It has an adjuster, so you can easily adjust the length. ★ It comes with a one-touch detachable buckle for easy on and off. Since it's easy to attach and detach, even small children can use it with ease. ★ Includes two D-rings for attaching lightweight items such as sunglasses and keys. ★ Size: Width approx. 25mm, Total length: Max approx. 40cm (adjustable). Applicable to: Backpacks and school bags for children and adults, commuter backpacks, hiking backpacks, etc.