The Medela Easy Expression Bustier allows hands-free pumping for every mom! The bustier features Medela’s Adaptive Stretch Technology for exceptional fit and comfort. Reinforced openings offer best in-class support during pumping even when the bottles are getting full!! With the Medela Bustier, you can easily express milk with all the Medela double electric breast pumps and still keep your hands free so that you can do other things whilst pumping. It is easy to put on and take off thanks to its one piece strapless design with a zip front and integrated top hook. The easy expression Bustier is made from a soft nylon/spandex mix, making it stretchy and soft against your skin. The material is certified according to OEKO-TEX Standard 100 and can be machine washed at up to 30 degrees