UV Stabilized For Indoor or Outdoor Use. All rugs exposed to long periods of intense and direct sunlight can experience loss of color over time. Our rugs perform best in covered outdoor areas and uncovered areas with lower hours of direct sunlight. Ultra Thin Polyester Flat Woven Construction with an Incorporated Non-Skid Backing Ultra Thin Profile Allows For Fast Drying After Rainfall or Outdoor Cleaning Machine Washable. Larger rug sizes may not fit into a residential washing machine. They may be washed in a commercial size washing machine or hosed-off outside with mild soap and water. Air-dry, do not machine dry.