Safe and Gentle Easy shift from stimulation to expression mode that assures ultimate comfort and gentle care for the breasts. It promotes longer breastfeeding period and increase in milk production. Ease of use Easy to press, very light one hand effort Silent Peaceful and stress-free milk expression. It also allows the baby to feed on one side of the breast and for the mom to express on the other side. Practical Very few parts. Consumable parts are also very affordable. Comfort There are two available flanges, regular and large. Large are not only for mom's with bigger breast size but also when mom's too full of milk. Flanges also avoid milk spill.