The My Pool Pal Swim-sters Girl's Swim Diaper Set is a child's swim diaper designed for use by young girls with bowel and/or urinary incontinence. These two–piece sets include a baby doll top and brief-style bottoms with a built-in Swim-ster reusable swim diaper. Each piece is made of 85 percent nylon and 15 percent spandex. They are lightweight, fast drying, and have durable stretch for true fit and longer wear. They are also made with elastic tested for maximum durability for a firm but not tight fit. SIZES: 12 months (10 to 15 pounds), 18 months (10 to 20 pounds), 24 months (18 to 25 pounds), 2T (20 to 30 pounds), 3T (30 to 40 pounds), and 4T (40 pounds and up). COLOR: Palm tree print, leopard daisy print, or tropical garden print.