Fits all Suavinex bottles (except Zero.ZeroTM bottle).Mimics the shape of the oral cavity. Simulates the dome shape formed by the palate and tongue: · palate: convex top · tongue: flat underside SLOW FLOW· Lets a limited flow of liquid through. · Indicated for milk feeds during the first few days of life or for water later on*. MEDIUM FLOW · Lets all types of medium-density liquids through.· Ideal for milk, juice or water. DENSE FLOW · Lets all types of medium-density liquids through. · Ideal for milk, juice or water.