Anti-theft: Anti-lost wristband link design with lock, key is designed in parent's handle to prevent accidental opening. Keep young children close to you while allowing them to be independent in indoor or outdoor activities. The child is carrying the backpack, while the parent attaches the bracelet to the wrist, and the backpack is also designed with a lock. The shrink chain can be extended up to 2 meters (6.6 feet), with this safety leash, there is no need to worry about your child running away. Adjustable shoulder straps: The shoulder straps can be adjusted freely and can be adjusted according to the needs of the child, reducing the pressure on the shoulders. SOFT AND COMFORTABLE: The soft double-layered hooks and loops are suitable for children's hands and are not easy to take off by themselves. The size of the wristband can be adjusted according to your needs, and the soft foam pad in the wristband makes it comfortable for both adults and children. The bracelet is made of high-quality cotton, which is breathable and wear-resistant. Superior Quality The anti-lost wrist connector is made of stainless steel wire and durable PU material, which is safe for human body and not easy to be cut by a knife. Skin-friendly: Our wristband's anti-thorn Velcro is soft and smooth to protect your child's wrist from sharpness and injury.