These bra pads are made from aliphatic foam. Lamination process is carried out to laminate the foam with the knitted fabric on each of its sides. Once this step is over, subsequent molding is done into a cup of assorted sizes and shapes. The pads are placed inside the cups of a bra for getting additional shape, support, or coverage for the breasts. They come in different sizes & shapes to fit different bra cups & body types.