The flanges are 100% super-soft silicone, free of BPA, polycarbonates, PVC and phthalates and are made of FDA-approved food grade material.A proper flange fit equals comfort and more milk.They’re compatible with all Evenflo Feeding Advanced Breast Pumps, including the hospital strength Advanced Double Electric Breast Pump, Advanced Single Electric Breast Pump and Advanced Manual Breast Pump.1146788
