No more wasted breast milk! Dr. Brown's Silicone One-Piece Breast Pump uses hands-free, gentle suction to collect and save every last drop. Simply place on the breast, squeeze the base of the milk collector once to create gentle suction, and collect leaking milk while pumping or breastfeeding, hands-free! The 100% silicone material is soft against your skin, while the easy-pour design ensures you can transfer your breast milk into the included anti-colic baby bottle without losing a drop. Feed on the spot with the included 4 oz/120 mL Narrow Dr. Brown's Anti-Colic Options+ Baby Bottle with Level 1 Nipple, or store milk using the included storage/travel cap. The portable, practical design of this milk saver and the included drawstring travel bag make it simple to take on the go to collect leaking breast milk and relieve engorgement anywhere you need it. To use it as a pump, just gently and slowly squeeze and release for more suction power. Dishwasher (top rack) and sterilizer safe. BPA Free.