I purchased this product because I couldn't breastfeed my first three children because of flat nipples. After using this product, I was able to successfully breastfeed my fourth child! It was a heaven-send for me. Exactly what I needed. The nurses at the hospital were asking me what they were. They were excited about the product and were going to find out more to suggest them for others. If you have had a hard time breastfeeding because of flat nipples, you need these