Children Safty Lock High quality locks and key design of toddler harness walking leash provides extra security once locked, the child will not be able to remove the anti lost wrist link until they are unlocked by their parents. Comfortable Wearing The size of child leash wrist strap can be adjusted according to your need, the soft sponge pad of the anti lost wrist link to make it comfortable to wear for both adult and kids. Durable Steel Ring & 360 Degree Swivel Clip Toddler harness walking leash is made of ultra-tough wire, the cord of anti lost wrist link can't be easily cut, but does feature a 360 degree swivel clip to provide ease of movement at the point where the wire meets the wrist so your child will stay comfortable and the cord won't get tangled. From busy malls and amusement parks to crowded streets and dangerous roads--Or if you just want to keep a closer eye on your child-the toddler harness walking leash will always put you at ease. WARNING The anti lost wrist link is only used to prevent children from losing when they go out, but do not prevent children from falling down and toddler harness walking leash can't be used as a walking training equipment. Suggest for children aged 3 and over.