It is easy to put on and take off thanks to its one-piece strapless design with a front zip 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°c. Easy, comfortable hands-free breast milk pumping. Get other things done while pumping. An excellent complement to a double electric breast pump. Stretchy and very comfortable to wear. Easy to put on and take off.Available in three different sizes.