The Mebby Gentlefeed Mono is single channel electric breast pump that generates a soft vacuum effect and a gentle massage to the nipple which mimics the baby’s suckling. It has an extremely soft silicone liner contracts during the suction creating a soft massage to the nipple, a classic cup in plastic and it uses the traditional method of sucking without the massage function. It comes In 3 sizes: M (also included), L and XL. It is equipped with single suction device, one 250 ml container with lid--all with a practical bag.