Medela Easy Expression Bustier hands-free pumping made easy! Easy Expression is the newest addition to Medela's line of breastpump accessories. Compatible with most Medela electric breastpumps including Freestyle and Pump In Style. Gives you the freedom to do other things while pumping.Easy to wear, use and wash. Cotton/Spandex blend is comfortable on its own or over a nursing bra or camisole. Machine wash, tumble dry