SXE Silicone Ergonomic Anti Backflow Douche 190mlSXE Silicone Ergonomic Anti Backflow Douche 190ml. This premium anal douche is so easy to use with a soft, squeezable silicone bulb and nozzle, making it an absolute essential for fans of all things anal. Featuring an ergonomic bulb and nozzle design for easier handheld use and less squeezing effort. The stainless steel anti backflow prevention valve in the base of the bulb prevents any potential backflow of liquid through the nozzle back into the