Redesigned with innovative Adaptive Stretch technology, the Medela Easy Expression Bustier provides excellent fit and comfort throughout a mom?s breast milk pumping journey by adapting itself to your uniquely changing body. This hands free pumping bra can be worn alone or over a nursing bra or camisole and was made for busy, active lifestyles and uncomplicated multitasking - pump when needed and keep your hands and arms free for independence during your pumping sessions and for a more convenient overall experience.What?s Included: (1) Easy Expression® Bustier, size Small, BlackThe Easy Expression Bustier retains its shape, even after multiple spins in the washing machine - its gentle nylon and spandex blend is machine-washable and designed for use with all Medela double electric breast pumps. Reinforced openings provide exceptional no-slip support and an integrated top hook has been added to the design for even easier zipping and adaptability to your body.The Medela Easy Expression Bustier is available in neutral black or nude shades and is made from 85% nylon and 15% spandex for a comfortable fit that is as gentle against your skin as it is supportive, allowing moms more freedom while double pumping.