Check the listing for details. one Medela Breast Pump Shields,PersonalFit Different Size you select. Condition: New. Listed at 7.99 USD. Medela Breast Pump Shields, PersonalFit Breast Shields Different Size ( L 27mm) or (XL 30mm) your choose Breast Shields for Pumping and Easy Compatibility with Medela Breast Pumps AUTHENTIC MEDELA BREAST PUMP SHIELDS PersonalFit Breast Shields SEAMLESS COMPATIBILITY FOR OPTIMAL MILK EXPRESSION.CONVENIENT RANGE OF SIZES TO CHOOSE FROM: With different size options, sizes available are 27mm, 30mm.DESIGNED FOR USE WITH PERSONALFIT CONNECTORS.ENHANCED COMFORT AND PERSONALIZATION: We know you’re unique and so are your needs – these breast shields provide an individual fit that allows you to personalize your breast pump, discover the most comfortable and efficient way to pump, and enhance your overall breast milk feeding experience