Applicable height and age: : The baby swimming ring is made of high quality PVC, the thick environmental protection material is strong and durable, and will not hurt your baby's skin. Easy to use :: It can be inflated when in use and can be used when it is full of air. When it needs to be carried, it can be deflated and put in the luggage, which does not occupy space and can be used repeatedly. (Please make sure there is no leakage before use) Best playmate in summer: : A swimming ring specially designed for babies, so that babies can enjoy the fun of playing in the water in every scene. Reminder : Due to the long-term sealed state during transportation, the swimming ring will inevitably have some odor. Don't worry too much, it's normal, just put the swimming ring in a ventilated place for about 2 hours before use.