Replacing the Medela Easy Expression Bustier, Medela hands-free Pumping Bustier is made with comfort and convenience in mind with a seamless strapless tube top design providing a snug fit and ample support for entire breast.Using a hands-free pumping bra gives you the freedom to get on with other activities or simply relax while collecting milk for your baby. Medela Hands Free Pumping Bustier Black Product Details: Oeko-Tex Standard 100 certified material; Can be machine washed up to 60C; Made from 93% Nylon/7% Spandex Band Size (US/CAN) Cup Size B Cup Size C Cup Size D Cup Size DD/E Cup Size DDD/F Cup Size G 32 S S S S M M 34 S S M M M M 36 M M M L L L 38 M M L L XL XL 40 L L L XL XL XL 42 L L XL XL XL XL Size Chart The soft touch Adaptive Stretch material will support throughout a mums breast milk pumping journey by adapting itself to your uniquely changing body.