Breast Flange Size Converter For Express Cups & Breast Pumps - 17mm; 19mm or 21mm

This breast flange size converter is designed to fit The Express Cups and Double Electric Breast Pumps, providing a comfortable and secure fit by reducing the opening diameter of your existing flanges. Made from 100% silicone, these small but effective inserts ensure a customized pumping experience.

• Compatible sizes: 17mm, 19mm, or 21mm diameter
• Made of soft, flexible silicone for comfort
• Includes one pair (two inserts) per package
• Easy to insert into existing breast flange openings
• Designed for use with The Express Cups and Double Electric Breast Pumps