Suitable CrowdRecommended for ages 3-7 months old,weight 11-24 lbs (size S); ages 5-18 months old, weight 13-38 lbs (size L), ages 1.5-6 years old, weight 28-48 lbs (size XL), Or you can contact us, we will recommend the size for your baby.DesignOur baby swimming float provide an ideal swimming posture for babies, let the baby easy to learn kick and swim in a horizontal position (Instead of vertical ).Raised front and Widen sides:to prevent flipping,Soft bottom support to avoid baby slide out.PortableEasy to inflate and deflate. pack-and-go portability and storage. Great pool float for travel.Upgrade VersionPerfect for Swimming pool,Bathtub,Beach and we also offer baby pool float with canopy,please check the UpgradeVersion.AttentionEach product is detected by gas.Pay attention to inflatable do not charge too full(80%-90% of inflating is enough),If you have quality problems, please contact us