This Bestway swimming aid is perfect for helping young children learn to swim. It is designed for children weighing between 11-15kg. The swimming aid is made of durable vinyl and has a bright yellow colour for visibility in the water. The swimming aid provides a secure and comfortable fit for your child while they learn to swim. This swimming aid is suitable for use in the pool or sea. It is important to note that this is not a life jacket, so you should use this item only under adult supervision.