Ages 1 To 8 Years Old, 20 To 46 Lbs., Can Use The Doohalo Toddler Swim Vest Kids Small Size toddler swim vest are fit well with 1-2 years old,22-33Ibs, Height:80-95cm.Chest Circumference up to 48cm. (View more size specification with chart photo) Toddler swim vest is a swimming aid which provide the swimmer training to build more confidence for kids already familiar with water and learn better swim. Comfortable wear and stylish design for swimmer to use in Pool, garden, water park. Foam block by sewing in vest is detachable with your buoyancy required. Swim Vest with Full front zipper is easy on and off, Adjustable safety strap Safety buckle meet various body shapes to fit it well. TIPS : Only swimming aid, NOT against drawing. Please use only under accompany adult supervision! Don' t leave your kids alone in the learn-to-swim.