Superior durability & abrasion resistance. Helps keep outdoor rugs in place. Works over stone, concrete, tile, brick, wood. Fade resistant. Mold and mildew resistant. Our Outdoor Rug Pad cushions outdoor rugs from abrasive surfaces like stone, concrete, tile, brick and wood. Its coated polyester fibers won't break down from exposure to heat or water, and raises your rug slightly to allow for quicker drying. Naturally antimicrobial, mold and mildew resistant. Trim with scissors for a custom fit.Outdoor Rug Pad Features: . . . . . Trims easily for a custom fit.