This adult swim cap is made of silicone and features a smooth, flexible one-piece design shaped to fit around the head. The contoured lower edge provides coverage around the hairline, while the stretchable construction allows the cap to be put on and removed with less pulling on the hair. Measuring 9 1/2" W x 7 7/8" H, it is available in multiple colors for swimming lessons, pool programs, fitness activities, and recreational use. The broad exterior surface can be customized with a logo or promotional message.