Elvie Curve Manual Wearable Breast Pump | Hands-Free, Kick-Proof, Portable Silicone Pump That Can Be Worn in-Bra for Gentle, Natural Milk Expression | Breast Feeding EssentialsBPA Free Phthalate Free Elvie Curve can be used hands free while youre feeding or pumping on the other breast, or whenever your breasts feel full; This silicone Manual Breast Pump collects "let down" breast milk leaks and relieves engorgement using pure natural suction pressure COMFORTABLE: Elvie Curve fits the shape of your breast, simply press on the silcone pouch to increase suction to desired level; Easily decrease suction using the control valve