Unilove Wirefree Maternity Nursing Bra Seamless Adjustable Cotton Sleep Bralette with Bra Extender As per customers review, we have already updated the measurement since 2016.8.12. Material: 94% cotton + 6% Spandex. Breathable, soft and comfortable than other nylon bras. Washable cups that drop fully away from the breast. Pull aside design for convenient nursing access. Extra room for when breast milk comes in and never constrict or squeeze the breasts even when closed. No underwire, Allow removable or disposable pads. The cups are perfect for keeping breast pads in place to absorb night-time leaks. For light support and great for Mid Night nursing sessions. Adjustable and enough wide straps. To accommodate the normal bust size fluctuations, the great width straps are easy to adjust to the correct length. Easy for mom to making breastfeeding access. Measurement: L: Under Bust: 61-80 cm | 24-31.4 inch. Fit for 34A, 34B.