Maymom contact nipple shields can be an effective tool for professionals and moms to manage infants with latch on problems. It is also great for moms with overactive let downs or for flat, inverted and sore nipples. Maymom nipple shields enable continued breastfeeding without interruption until problems of the above are resolved. Its special cutout design offers a closer contact between mother and baby. This nipple shield has a unique size (see the photos). While it is suitable for the majority mothers, please consult with lactation professional for assistance. All Maymom products that come in contact with breastmilk are and always have been made without BPA. <p> If breastfeeding is uncomfortable due to sensitive nipples, try this Nipple Shield. This Nipple Shield has a unique natural shape that maximizes mother-baby contact while protecting sensitive nipples. The super-soft silicone clings to the breast and has soft nodules for gentle stimulation. <p> Buying Maymom's product is satisfaction guaranteed!