Need a swimsuit cup, but can’t find your size? Make your own from our Cut & Sew poly laminate foam. Use any bra pattern or swimsuit cup pattern for cutting the pieces. They can then be sewn together. Or by applying heat in a mould, it will take a shape just like our SC992 molded bra cups. You can use the foam plain or you can add underwires and channeling. 100% Polyester Foam. Flame bonded to 70-denier 100% Polyester. Thickness varies from approximately 1/16″ to 1/4″ from shipment to shipment. If you are concerned about the exact thickness, email us the color(s) of interest. 56-58″ wide.