Add comfort and color to your patio bistro set with these stylish round bistro seat cushions from Sunnydaze Decor. Made with a weather-resistant polyester cover, and a plush polyester fiber fill, these beautiful round bistro seat cushions are the perfect way to add a pop of color to your patio, dining room, deck, or front porch. They are easily attached to a chair using the 9-inch long fabric ties.