Bevavar Breast Pump Flange Inserts are silicone accessories designed to improve the fit and comfort of breast pump flanges. Available in multiple sizes (13mm, 15mm, 17mm, 19mm, 21mm, and 24mm) to accommodate varying nipple sizes, these inserts help optimize milk expression while reducing discomfort and potential nipple trauma. They act as adapters, effectively reducing the flange tunnel size for a more snug and efficient fit. The inserts are made from BPA-free silicone, ensuring safety for both mother and baby. They are designed to be compatible with a range of breast pumps, enhancing the overall pumping experience.