The Medela Magic InBra™ Breast Shields are designed to provide optimal comfort and maximum pumping efficiency. Exclusively compatible with the Medela Magic InBra™ breast pump, these authentic Medela parts come in multiple sizes (including 24 mm) to suit your body. Made from BPA-free silicone, each shield features easy-to-read markings to help you monitor milk volume during pumping. Features: - AUTHENTIC MEDELA REPLACEMENT PARTS: These breast shields are genuine Medela spare parts, designed to work with the Magic InBra™ breast pump - COMPATIBILITY: For use exclusively with the Medela Magic InBra™ breast pump - MARKED FOR EASY MEASUREMENT: Each breast shield includes volume indicators for convenient tracking of expressed milk - PROPER VALVE POSITIONING: Ensure the gray valve is correctly placed on the breast shield, with the flap in the proper orientation for optimal performance - COMFORT & EFFICIENCY: Available in 4 sizes (18 mm, 21 mm, 24 mm, 27 mm) for a personalized fit and more effective pumping - BPA-FREE: Made of food-grade, BPA-free silicone Includes: - (2) Medela Magic InBra™ breast shields