Has your baby outgrew the bottle? Get your child's age-suitable replacement spouts for your HeorShe Dental-Care Sippy Cup. This spout with a "small wing" helps distribute the applied force whilst your baby is sucking. This approach reduces the pressure on e their teeth and jaw , so that baby's teeth can grow in healthy. The soft silicone spout is connected to a compatible straw set which eases the transition from bottle/breastfeeding to cup. The "Little Wing" design soothes your teething baby and reduces the risk of misalignment and colic. Designed for children above 6 months who are transitioning from bottles to cups.