The Elvie Stride Diaphragms 2 Pack is a replacement part for the Elvie double electric breast pump, specifically designed for the 24mm size. This hands-free set includes a double pumping kit and operates on battery power, providing convenience and ease for breastfeeding mothers. The diaphragms are new in box, ensuring a reliable and efficient pumping experience. Perfect for those looking to maintain a seamless breastfeeding routine with the Elvie breast pump system.