RECOMMENDED: Anti-Loss Prevention and Safety during travel, commutes, shopping with children, and in high traffic areas.  USES: Best used to prevent kidnapping/abductions, car to pedestrian fatalities, child wandering, and support during child exploring and "independent" play. You can be confident with letting your toddler explore and gain independency while keeping them close by at all times. DETAILS: Our wristlets® offer the highest security features with lock and key functions to prevent quick removal by child or stranger. We have designed our wristlets with aggressive movements in mind. Our heavy duty steel cable cord wrapped in cut resistant spiraled ply makes it extremely difficult to cut, tamper with or break. We have implemented a smooth anti-stick velcro, convenient for air flow and adjustable wrist strap sizing for multiple users. Stretches up to 6 feet for safe and independent exploring.  One size; adjustable wrist straps.  AGES: walking - 9 years old *Colors may slightly vary from images on screen or production batches. .