Size Selection Including 4 outdoor chair cushions measuring 19" W x 19" D x 3" T (Please measure the dimensions of your furniture s seating area before purchasing). These dimensions are a perfect fit for almost all outdoor chairs. Water Repellent and Removable Cover Made of eco-friendly, sturdy polyester fabric with a water repellent coating, the cushion cover is UV-protected and fade-resistant, providing you with a comfortable outdoor experience. The removable cover features a covered YKK zipper for easy cleaning and replacement. High Resilience Foam The Unimatta chair cushions are filled with high-quality 100% foam, high-density sponge offers excellent support and long-lasing comfort. Whether you're enjoying a sunny afternoon or a cool evening, this cushion will keep you cozy.