Here you can order upholstery foam in standard and custom square and rectangle sheet sizes. To get started, choose a foam from the selection below. We have a wide selection of foam to offer, such as packaging foam, acoustic foam, outdoor foam, organic Latex foam, Closed Cell foam, fire retardant foam, and much more upholstery foam. FoamOnline has been providing upholstery foam for residential and commercial customers since 1999. We are here to help you with all your foam needs. If you need foam cushions in custom shapes, please click here.