The outdoor patio deep seat cushion is ideal for indoors and outdoors. 5.1 in. High-density foam is comfortable to sit on. The cover is removable by the zipper and can be washed separately. The seat cushion and back cushion are matched, with Many colors for choice. A deep seat cushion accompanies you through bright, breezy days. Highlights Material - the material of the cover is made of Olefin fabric, which is fade resistance, UV protected and water resistant, makes it an ideal cushion for outdoor or indoor use. Universal fit- according to the cushion dimension, it perfectly fits most popular patio chair brands in the market 2 extra small pillow give your back or lumbar a comfortable support. Comfortable - the foam inside is soft and strong flexible sponge, the thickness of the foam is 5.1 which provide a comfortable cozy feeling to sit and back on.