this super light contact bra is the latest patent product of our factory.¡¡it is made both of skin-harmless botanic fabric, and of european health standar fit curatorial silica gel( selfsticked gel). the weight of it only occupies 30% of the common silica bra. besides this, this bra has the following characteristics: water- proved, ventilative, durable( up to 120 times), shoulder bell needless, shapeless, and comfortable. http://www.gzbra.com