KUCI Maternity Nursing Sleep Bra, Women's Nursing Tank Top For Nursing/Sleeping Material: 95% modal and 5% spandex. Soft and Comfortable Maternity Nursing Sleep bra/Nursing Tank/Nursing Top, wire-free design, must-have for breastfeeding moms. Gentle, easy pull down nursing access; NICE design in center makes you more charming at any time. Breathable, zero pressure, the zero bound,no le marks whenever and wherever you wear it. Offers gentle support during pregnancy while you sleep. Great for mid-night nursing sessions and for keeping breast pads in place.