PEVA Shower Curtains are composed out of 8 Gauge Weight Eco Friendly Synthetic Plastic-Polyethylene Vinyl Acetate (PEVA) which is a Copolymer of Polyethylene and EVA is the best alternative to Meet Your Eco-Friendly compliance needs. As an Industry Approved Green Alternative, PEVA, doesn't compromise in performance versus the competitors and is also eco-friendly. Soft and Malleable, PEVA is inherently Mildew Resistant as well as Bio-Degradable. This Product Does Not Contain Chlorine, Heavy Metals, and this curtain is Odor Free. This Going Green Shower Curtain helps you protect the environment.