This seat cushion is made from Sunbrella fabric in a grey design. The best fabric under the sun. The colors stay strong and vibrant, even through intense sun exposure. It passes 2,200 UV hours. This cushion resists mildew. It is easy to clean and fast drying. The filling is 100% polyester. The size of this Sunbrella seat cushion is 20 x 20 x 5". This cushion has piping. This cushion has ties to hold cushion in place. This cushion will fit most chairs.