[ANTI LOST BABY REINS] Keep your kids safe and won't run off the reins of wit for toddlers, it will give your kids more freedom and independence while setting boundaries. Perfect for crowded places like supermarkets, shopping malls, zoos and parks. Sling for toddlersThis children's rein can not only prevent children from getting lost, but also can be used to train walking. Buckle the straps around the shoulder loops to help your child achieve hands-free balance and learn to stand and walk with confidence. [Children's Reins with Key Lock] We always care about your child's safety, so we have developed a safety wrist chain with key lock that connects parents and children's hands for extra security. With durable spring straps and 360-degree swivel joints, your baby won't fall or get stuck. [Free & Cute] Toddler Reins for Kids are made of comfortable cotton material that fits your child's shoulders and hands and is sweat-wicking and breathable. With its cute (animal) and adjustable shoulder straps, your kids will love and get used to it quickly. Suitable for mouths from 12 to 30 years old. [APPLICATION] Kids use it as a backpack strap with a 1.5m nylon strap on the back for parents to use. The wristband attaches to both the parent's and child's hands, keeping your child within easy reach. Use a 2.5m spring strap to connect the child's back to the parent's hand. Use the 1.5m nylon belt buckle on the shoulder loops as a toddler walking harness. Your child will love and get used to it quickly Fits the mouths of 12 to 30 years old.