Features: Our silicone breast pump 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 pump flange insert ensures a gentle and secure seal, helping prevent leaks and discomfort during pumping. Designed for breastfeeding mothers who need to adjust their breast pump flange size, this insert offers a convenient solution for customized fit. Suitable for both new and experienced mothers, it enhances comfort and ease during pumping at home, at work, or while traveling. Simply insert into your existing breast pump flange for a discreet and comfortable experience. Helps support milk expression and maintain milk supply. Experience improved comfort, efficiency, and convenience with our breast pump flange insert. A practical accessory for a more enjoyable breastfeeding journey. Specifications: Material: Silicone Sizes: 14mm, 16mm, 18mm, 20mm (optional) Package Includes: 1 x Flange Insert Note: Please allow 1 to 3 cm error due to manual measurement. The actual product color may vary slightly due to monitor display differences.