Lansinoh NaturalWave, 2 pc, Baby Bottle Teats For Kids, Lansinoh NaturalWave baby bottle teat helps teach your kid to drink from a bottle and adapt after breastfeeding, plus it adjusts to your baby’s mouth. Its shape is similar to a breast, which is why babies adapt to it faster. Characteristics: perfectly adjusts to your baby’s mouth promotes the right development of your baby’s oral cavity the teat is shaped like a mother’s breast Ingredients: silicone