Buyin-now New Bubble Bra Washer Wash Outer + Inner Baby Laundry Aid Saver Ball Washing Introducing Bubble bra the best way to baby your bra! Bubble bta is a unque patent-ending device that will protect Padded bras in the washing machine . Its two-shell design is made of strong smooth plastic that supports the cups to kee them from getting damaged in the washing machine. MaterialPlastic Outer Diameter: 150mm Inner Diameter: 105mm