The Medela Easy Expressions Bustier makes hands-free pumping easy and convenient. Wearing the bustier while pumping allows you to work, read, take care of children or complete household tasks all while pumping. The Easy Expressions Bustier is machine washable and 93% cotton. Enjoy the freedom to continue your normal schedule while meeting your pumping goals. The Easy Expressions Bustier ensures your pumping experience is comfortable and efficient. Features: Made from soft cotton/elastane mixture to be stretchy and comfortable against skin Mashine washable Can be worn alone or fits easily over nursing bra or camisole.