With the new, advanced bustier mums can express milk easier than ever before. With the new Medela Easy Expression bustier, you are free to do other things whilst pumping. The Medela Easy Expression bustier is compatible with Medela's electric pumps like Swing, Swing maxi, Freestyle and Symphony. The hands-free pumping bra is made of a nylon / spandex blend and seamfree technology. With the new reinforcement along the top edge and around the pumping openings it holds the shields and bottles securely and even better in place. It gives you freedom to do other things whilst pumping.Available in 3 different sizes - S,M & L in black and white.