The Dr Brown’s Soothers help minimise the pressures inside baby’s mouth. These pressures can sometimes create dental issues such as cross bites the palatal pressure is lessened by creating an air channel that reduces suction and spreads apart when baby is sucking. Palatal pressure is lessened by creating an air channel that reduces suction and spreads apart when baby is sucking. This Patented Suction-Free Air Channel opens up as baby sucks for low pressure comfort. Features: Suitable for 6+ months Reduces pressure and palatal pressure Soft suction release bulb Completely BPA-Free Designs may vary