Speedo Women's Keyhole Endurance with Soft Cup polyester-blend 60% polyester, 40% PBT Exclusive chlorine resistant fabric. Longest lasting swimwear on the market. Twenty times more colorfast than traditional swimwear. Better shape retention for superior fit. Ideal for aqua aerobics, training or everyday use. Low moisture absorption for quick drying. UV protection of +50. By Speedo - #1 swim brand worldwide Hand wash cold seperately. Do not bleach. Dry flat. Do not iron. Do not dry clean.