?Safe&Comfortable Material?Our swim vests are made of safe and durable nylon and EPE foam materials that are comfortable and skin-friendly and won't cause irritation to your child's skin. Bring comfort to your child in the water. | ?Keep Kids Safe?Our children's arm floaties have a strap with a buckle system on the back to prevent your child from accidentally opening. The emergency whistle is easy to use and can improve swimming safety. The foam provides enough buoyancy for your child to play more freely in the water. | ?Easy to Wear?This swimming vest does not need to be inflated, it can be used by simply pulling it through your children's arms and fastening the buckle. The U-shaped design is ergonomic and fits better to the body. | ?Cute Pattern Design?Designed with cute and colorful patterns, MoKo toddler swim armbands can add fun to children and they will love it. Bright colors make it easy for parents to notice their children, helping them play safely in the water. | ?Wide Application?For children weighing between 13-30 lbs. This water wings is perfect for swimming pools, sea beaches, lakes, on boats, etc. Note: Do not let your child use it alone without an adult's attention.