Streem Master Hydra Nozzles are made of medical grade polypropylene. They are seamless and customized for the Hydra Premium Shower Douche and The Hydra Elite. They are made to withstand multiple uses and can should be cleaned with either warm soapy water but are durable enough to be washed in the dishwasher. Rounded tips, seamless construction and ultra smooth finish makes Streem Master Hydra Nozzles the finest on the market today. Made using phthalate free, non-toxic materials Polypropylene PP. Always clean before and after use. Douche attachment for the Streem Master.