| http://www.w3.org/ns/prov#value | - The particulate matter filler envelope, generally affixed to the top of the foam base, could be made from elastic and sheer materials to essentially contain particulate matter filler, which could be bead-shaped and made from material such as, but not limited to, oats, Latex, Viscoelastic, Polyurethane, polystyrene or other materials.
|
