Adjustable Flange Attachment Universal Flange Insert Easy to Use Adapter for Efficient Milk Expression with Breast Features: Our silicone breast flange insert is designed to fit most standard breast pumps, providing a comfortable and efficient pumping experience. Easily switches between different flange sizes for a perfect fit. Made from soft and flexible silicone material, our breast flange insert ensures a gentle and secure seal, preventing leaks and discomfort during pumping. Enjoy a hassle breastfeeding experience. Designed for breastfeeding moms who need to adjust their breast flange size, our breast flange insert is a convenient solution. It allows for customization to meet individual needs, making it suitable for both new and experienced moms. Our breast flange insert makes pumping easier and more convenient, whether you're at home, work, or traveling. Simply insert it into your breast flange for a comfortable and discreet pumping experience. Maintain your milk supply and provide nourishment for your baby any times. Say goodbye to uncomfortable pumping and hello to a more enjoyable breastfeeding journey with our breast flange insert. Experience the comfort, efficiency, and convenience it brings. in this essential accessory today for a pleasant pumping experience. Specifications: Material: silicone Standard: 14mm/16mm/18mm/20mm(optional) Package Includes: 1xFlange Insert Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_