【High-quality materials】Water wings are made of high-quality materials, non-toxic and harmless, easy to inflate and deflate, perfect tool for learning to swim, environmentally friendly materials, reusable. 【Excellent design】Double airbag design, more safety, more comfort and more power for swimming. Arm circumference: 26-29 cm; Recommended weight: 19-40 kg; Suitable for children aged 3-14. Before purchasing, please measure your child's arm circumference. 【Comfortable】 These swimming floats with water wings are scratch-free and very comfortable to wear, the soft waterproof plastic fabric is designed for your child's sensitive skin. Orange S (12-40 catties support), Orange L (3-14 years old, baby 38-80 catties), Orange XL (suitable for adults 80 catties and above) 【Suitable for the crowd】 The product is designed for children, but can also be used by adults, the arm first, then air to feel comfortable. If you stretch too far, please hold the stoma to vent a few. It's a fit you feel.