Front-zip bandeau-style Lansinoh hands-free pumping bra can be worn over any nursing bra or can be worn alone; includes straps for halter/racer/tank-style wear. Convenient 11" Velcro back panel adjusts fit for XS to L sizes (30-40AA, 30-38A-B, 30-36C-D, 30-34E-F, 30-32G-H, 30I-J). Added 1" or 2" panel can be zipped into front center for further fit adjustment (not included but can be gotten from SimpleWishes.com). Machine washable 83% cotton, 17% spandex.