This 16" round cushion foam is comfortable and supportive, and its round shape is ideal for bar stools and seat cushions. This cushion foam comes in sets of four 1" thick cushions and measure 16" round. It is perfect for home projects where high density material and support are important. You can also combine multiple pieces of foam to customize the thickness of your cushion. It is easy to trim or customize the shape with an electric knife. This polyurethane upholstery foam contains bio-based materials (derived from renewable biological resources), so you can take comfort that this product has been created with the environment in mind.Details:Blue16" x 16" x 1" (40.64cm x 40.64cm x 2.54cm)Pack of 4 cushion foams