Description: The milk collector is made of silicone and PP material, durable, lightweight, safe to use. Just rinse with water, wait for drying and sterilization, and then put the breast shell back to your breast, can be reused after cleaning. Milk saver can help you collect valuable breast milk, collecting up to 4.0 ounces each time, and do not to worry about the shirt is wet when breastfeeding and prevent leakage. Suitable for any size bra, do not affect the appearance. This ergonomic milk saver protects the nipple from friction and can helps reduce engorgement. Keeps you comfortable, flexible and keeps the breast shells intact. The gap are designed to allow airflow to circulate, allowing the nipples to heal more quickly and remain ventilated. Pouring breast milk into storage container is also very convenient. Specification: Material:silicone, PP. Caliber: 3.5cm/1.38in (see the pictures). Color:as the picture show. Quantity: 2pcs.