The utility model adopts two-way practical buckle, with simple snap design and convenient operation. Due to the design of the lock, the baby can't open it by himself. The anti-oxidation alloy hook is durable to ensure the safety of travel. Intimate double turn. The connecting belt design is adopted to prevent children from tearing at will. Built in breathable sponge layer and soft and wide pad ensure that the wrist can move freely. It is suitable for children. It's suitable for going out. 6.3" L x 5.19" W x 1.57" H