These are collection cups that can be connected to and used with the Medela Swing Maxi breast pump. Purchased from the official website and used for about two months. Includes 24mm and 21mm breast shield sizes, but only the 21mm size was used; the 24mm size is unused. Disinfected after each use, but there may be some minor scratches. The breast pump itself is not included! - Brand: medela - Product Name: Hands-free Collection Cups Thank you for looking.