The Momcozy Milk Collection Container Cup is a specialized accessory designed specifically for use with the S12 Pro breast pump. This transparent container features a rounded design with measurement markings and is made from high-quality, food-safe material. Key features: • Compatible with S12 Pro breast pump model • Clear transparent design for easy milk level viewing • Includes measurement markings • Round ergonomic shape • Made from food-safe materials This milk collection container is an essential replacement or spare part for the Momcozy S12 Pro breast pump system. The container's design allows for direct connection to the pump for convenient milk expression and storage. Always clean and sterilize before first use and between subsequent uses.