Children's swimwear: Get children's swimwear and armands. Safety: Good plastic material that is non-toxic. Material: Made from 82% polyamide and 18% elastane. Design: Kids will love this cute swimwear set with various colours and styles! Adjustable: Adjust the back buckle to suit your little one! Buoyancy: The easy-to-wear armbands are great for helping little ones learn to swim.