Bottle-to-cup set, wide neck, 270 ml, Green WB91604 Dr Browns Take the next step in your child's development with the new bottle-to-cup set. The set eases the transition from bottle teat to cup mouthpiece. The bottle contains a level 3 teat and an additional leak-proof mouthpiece made from soft silicone. When your baby is ready, remove the bottle's inner vent and replace the teat with a mouthpiece that prepares your baby for drinking from a cup. The set is designed for children 6 months and older. Dishwasher safe and sterilisable in the top compartment. Free from BPA, PVC, lead and phthalates. Prevents dummy sucking and reduces the risk of middle ear infections. Reduces colic, burping, belching and flatulence.