Perfect for sun protection with UPF 50+! This is a swimsuit with built-in diaper function. * Brand: i play. * Size: 18 months * Material Outer: 82% nylon, 18% elastane Inner: 100% polyester * UPF: UPF 50+ Purchased in Hawaii a few years ago and worn a few times. There is a stain on the diaper elastic part in the 5th attached photo, so it is being sold at a bargain price! Please purchase only if you understand and accept this.