Size: suitable for bras of any size Material: silicone soft and elastic silicone material Bra with painful or ruptured Nipples - the bra is designed to be placed in your bra. Compared with the relief gel pad, these care shells protect the nipple from friction and help to relieve congestion. Collect every drop of breast milk - breast milk collector storage. Compared with breast-feeding pads, they can help you collect precious breast milk leakage and relieve the discomfort and pressure of unexpressed milk. Don't worry about getting your shirt wet during breastfeeding. Unique vent design - the vent design allows air circulation, so the nipples can heal and ventilate. It's also convenient to transfer milk to a bottle.