HOdo Picnic Blanket Extra Large Outdoor Camping Oversized Sandproof Mat Portable Foldable for Travel Park Grass. OVERSIZE: 200x200CM extra large polyester fleece soft fabric outdoor blanket. It can perform better when facing complicated ground.The front side is made of thick polyester using a special weaving process,soft and cozy ,but there is no way to machine wash it.If there are stains on the picnic mat, wipe the surface with a wet towel.