100% polyester, chlorine resistant swimwear. Penbrooke guarantees wear for one yr from purchase date. 70005. This one piece, moderate leg, swimsuit is constructed of the revolutionary chlorine proof fabric, ENDUROTEXtm. Recreational and fitness swimmers will find the fabric's performance longer lasting and more durable. In order to preserve the integrity of your swimsuit it is recommended you hand wash in cold water with mild soap and line dry indoors after each use. This swimsuit has a crinkle texture and is very comfortable. The m or W cross back gives more support and back coverage.