UPDATE DESIGN: With exclusive reflective strip design, even at night, the anti lost wrist link is visible apparently under the light. Keep toddlers close to you and at the same time give them independence during indoor or outdoor activities. The shrinking chain can extend up to 2m(6.6fts), ensure their safety during travel in public with crowed people. EXCELLENT QUALITY: Our anti lost wrist soft are made of superior cotton which has strong flexibility and good gas-permeability. Don't worry about your child feeling uncomfortable or causing redness of skin during wearing. The connecting rope is made of stainless steel and wrapped with plastic, never worry this safety harness will be cut by knife. SAFE & COMFORTABLE: High quality lock and key design provides extra security once locked. The child will not be able to remove the wristband until they are unlocked by their parents. Soft& secure double-layered Velcro and lock above enssure the wristband won't be easily taken off by kids. The size of wrist strap can be adjusted according to your need, the soft sponge pad in the wrist strap make it comfortable to wear for both adult and kids. ADJUSTABLE SHOULDER STRAPS: The shoulder straps are freely adjustable, it can be adjusted according to children’s need, and greatly ease the pressure on the shoulders and release the child's hands. 360?ROTATION: The 360?revolving head enables your little ones play and run freely, no need to worry that you kids will be tripped over,It is linked to the wrist straps with metal connectors that can freely rotate 360 degrees. It could protect the baby away from twisting the wrist.Please attention: don’t pull hard to prevent falling or buckle your wrist too tightly to avoid discomfort.