|Barely There Womens Invisible Look Stetch Foam Underwire Bra with Lift 4540 fiber content is Cup linings, center front lining: 100% polyester. Cup pad: 100% polyurethane foam. Strap lining, inner center front: 100% nylon. Cup back, strap: 85% nylon, 15% spandex, exclusive of trim and elastics.. Barely There Womens Invisible Look Stetch Foam Underwire Bra with Lift Pushes you up. Not up and up and up. No-lines bra shows off your curves...and hardly shows up at all otherwise. So smooth under your clothes, all anyone sees is the shapely results. Thin, flexible graduated foam cups create light lift. Hidden underwir. Barely There Womens 4540 comes with 1 Bras per Pack.