SANITARY PRODUCT: Due to the hygienic characteristics of the product, it cannot be returned. Contact customer service. Quick and easy: Designed for hassle-free insertion, Elvie Cushions are fully 3am proof. Plus, Elvie Cushions are quick to wash, so they’re always ready when you are. Bespoke for Elvie Pump and Stride: Elvie Cushions are designed specifically for Elvie’s electric breast pumps, guaranteeing a perfect fit for Elvie Pump and Elvie Stride. So, no DIY hacks and no thinking outside the box. Secure and comfortable silicone: Ultra-soft, flexible silicone gently hugs the natural shape of your breast, and the unique lip creates an extra layer of cushioning. Plus, the sealing ribs ensure that Elvie Cushions always stay in place, comfortably securing your nipples and giving you the freedom to move. Better fit, better flow: Elvie Cushions ensure an optimal fit, allowing you to make the most of each expression session. That means more milk. For your ideal fit: More size options for more women, because fit comes first. Compatible with all our 24 mm Breast Shields, Elvie Cushions are available in three sizes, 15 mm, 17 mm and 19 mm, so you can tailor your pump to your body.