I know tommee TIPEE for 7 years and am delighted. Forced to buy bottles because at the time there were biphtenol A. Produces a bit more expensive than other brands, we must change with age pacifier baby but indestructible, super convenient, ergonomic. The first kept them very long and taken over by baby is very fast. The shape of the nipple allows easy transition from breastfeeding. The drops opening allows ease of preparation.