Child's weight: 15 to 30 kg. Age: 2 to 6 years. With Beco's Sealife armbands, your child is safe while swimming. The armbands do not need to be inflated and therefore cannot deflate, significantly extending their lifespan. This is made possible by the neoprene material with foam. Wear the armbands on the upper arm; the openings are pleasantly soft, ensuring comfortable wear. The armbands are suitable for toddlers and preschoolers aged 2 to 6 years and weighing 15 to 30 kg. Additionally, they meet strict safety standards.