**This listing is for a size Large.** ❤【Suitable Crowd】Recommended 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). ❤【Design】Our 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. ❤【Portable】Easy to inflate and deflate. pack-and-go portability and storage. Great pool float for travel.