... Wearing resistant 3) material can be silicone, NBR, EPDM. 4) Acid resistant Silicone Shower head cover 1)Anti-slide ,Wearing resistant, Acid ... resistant2) Made of silicone material3) Material can be silicone, NBR, ... drawing or request..5) We specialize in gasket and other silicone or rubber seal. If you are interested in ...