The Plastic Outdoor Mats are for the outdoors, they are suitable for all weather conditions be it under the rain or sun. They are also mildew and mold resistant. They can also be easily washed, just shake or hose off. They offer the aesthetics, versatility and functionality you need to tie together any space. They are perfect for inside or out they will hold up to any weather, rain hail or shine. The offered Plastic Outdoor Mats are very effective.