This Nuk soother is uniquely designed with an orthodontic shape approved by the British Dental Health Foundation; helping to exercise your babys lips, tongue and jaw muscles. It provides an air system ensuring the mouthpiece remains soft and flexible. The soother has integrated circulation grooves so air can circulate at all times, preventing skin irritations to your babys sensitive mouth. It provides a safe grip for your little one to adjust and remove their soother where they see fit. This soother is perfectly suited for babies.