Convenient and portable, the Lansinoh Comfort Express Manual Breast Pump is ideal for occasional use at home or on the go. Switch easily between two pumping modes, stimulation and expression, to aid in let-down and maximize pumping efficiency. The ergonomic easy-express handle reduces hand fatigue, and two sizes of flanges, standard (25mm) and large (30.5mm), ensure ideal suction and pumping comfort. The Lansinoh Comfort Express Manual Breast Pump is also a part of the Lansinoh pump-store-feed solution. The wide neck bottle makes milk transfer easier and are compatible with the natural wave nipple so you can pump, store and feed, all with the same bottle. The bump best of baby award winner. Store, freeze and protect your precious breast milk. Leak-proof and BPA free, the Milk Storage Bags come pre-sterilized and have a patented double Click n Secure seal to prevent leakage.