Elvie Catch is designed for the natural shape of a woman’s breast and can be worn comfortably for up to three hours. The uniquely shaped silicone skirts can be rotated to find your best fit, while staying soft on even the most delicate breast skin. Lip-proof silicone skirts keep Elvie Catch secure, and you leak-free. Holds up to 1 oz / 30 ml of milk in each cup. No more wasted milk in your breast pads.Elvie Catch has a smooth profile and sits inside your bra, so that you can discreetly collect milk and go about your day.