HANDS-FREE BREAST PUMP BRA - All-in-one design with removable and adjustable straps, pumping or nursing, easy to put on and take off, maximum comfort, and you can enjoy the freedom while pumping. FULLY ADJUSTABLE - Fully adjustable straps with a Free 3 hooks bra extender, offer you more options to accommodate the normal bust size fluctuations. WORKS WITH ALL TYPES BREAST PUMPS - Manual, battery and electric, including Medela, Philips AVENT, Lansinoh, Bellema, Evenflo, and Spectra Baby. EASY TO CLEAN: With the customer's needs in mind, our Nursing Hands-Free Pumping Bra is Machine Washable, allowing the cleaning to be as easy and reliable as the bra. SIZE GUIDE: S fits for 32D/34B/34C, M fits for 34D 36B 36C, L fits for 36D/38B/38C, XL fits for 38D/40B/40C; Please check your measurements to make sure the item fits before you order. If you are not sure about your size, we suggest you choose one size or two sizes up.