I bought them for my little one when she was born. At first, we had a pacifier from another company and when we threw it away to use the new one on the second day, the baby had some rashes. On Tuesday, there were more and on Wednesday, the rashes turned into a severe eczema. They told us that the pacifier caused an allergy because it was expensive and had some rough edges where it touched the skin. Of course, we threw them away...