Swimava Swimmerba Baby pre-swimming from 0 years old, neck ring For babies only Can be used once the baby's chin rests on the neck ring. For safety, adjust the water depth so that the baby can touch the bottom with their feet extended. *Before use, please refer to the official guide for usage instructions and precautions to ensure safe use. Regular size Neck circumference: approx. 29cm (Up to 18 months and 11kg) We have re-inflated the ring to check for air leaks. Please rest assured. We will deflate the ring and send it in a dedicated bag. *Please note that an air pump is not included. Pre-swimming, swimming, baby pool, bath