The Momeasy Single Manual Breast Pump with 4oz Wide-Neck Anti-Colic Feeding Bottle is a compact, hand-operated pump that gently expresses milk by mimicking your baby's natural suckling. It features a soft massage cushion, a natural-shaped nipple teat for easy feeding transitions, and an anti-colic bottle design. Mama, this portable pump gives you the freedom to express milk anytime, anywhere.