Product description Material: PU + steel wire + cotton : Mint , Size: The length of the retractable shoulder strap is 2.5m Applicable age: 1-8 years old Scope of delivery: 1 x spiral belt 1 x dishes 1 x children's cuff 1. ld-proof belt leash: The side of our arm cuff attached to the child is equipped with a lock so that the child cannot open it. The parent cuff can be attached to the buggy, stroller or high chair. 2. and long spiral cord: Our reins stretch a good 2.5 m, which still gives your toddler the freedom to explore the area. Bounces back slightly. The spiral belt is made of metal with a rubber coating and does not tear easily. 3. Comfortable to wear: The cuffs are nice and soft on the skin. 2 Cushions on the shoulders do not cause any friction on the child's delicate skin when they are wearing sleeveless clothing. The adjustable harness ensures that it does not fit snugly around the chest or waist when wearing a thick coat. 4. Applications: Can be used either as a child safety backpack or an anti-loss arm cuff. The strap can be completely detached from the harness and attached to the additional cuff so that you are connected to the wrist. Easy and quick to put on and doesn't take up much space in a pocket when not in use. 5. Easy to put on: Anti-loss cuff: 1. Adjust length. 2. Clamp. 3. the child's side with the key (key is included). ld safety backpack: 1. Closure with the buckle on the back. 2. goes through the top and then just put it around the child. 3. Open both sides to remove the dishes when not in use.