If you have a stretchy nursing bra you can use them for pumping also. I purchased a 5 pack of cheaper nursing bras on Amazon. They are actually really comfortable and stretchy. My lactation consultant showed me that you can use them for pumping also. You unclip the bra, pull the entire long strap along the inside of your boob, tuck the flange underneath and grab the clip to the other side and bring it around the other side of the flange. I haven't needed to buy a pumping bra at all.