SASHA'S Rain Cover is custom designed and manufactured in the USA for the BOB Revolution FLEX Duallie 3.0. Compatible with all BOB Duallies. The custom fit provides maximum coverage for your children against rain, wind and debris. The form fitted front is held secure with elastic and provides a clean look and feel. Velcro straps for added security on windy days. Premium material and construction to help avoid wear and tear from everyday use. All clear design allows parents to see child through the Canopy Peekaboo Windows. Ventilation holes for easy breathing.