The Medela PersonalFit Flex Breast Shield in extra large 30mm size features innovative flex technology designed to adapt to your shape for optimal comfort and efficiency during pumping. This BPA-free breast pump accessory comes with two shields per package. Key features: • 105-degree opening angle for improved comfort • Innovative flex technology that adapts to breast shape • 30mm size for extra large fit • BPA-free food-grade materials • Compatible with all Medela breast pumps • Includes 2 shields per package The shields should be washed and sanitized before first use and cleaned after each use. Made of polypropylene material that is safe for breast milk contact. Connectors are sold separately. The extra large 30mm size is ideal for mothers who need a wider shield diameter for comfortable and effective pumping.