The sipper lids help a child move onto the next stage of drinking from the first cup. Helps the child to drink from the rim of a cup therefore teaching them to hold the cup better and will develop skills of open cup drinking. There will be a controlled flow of the drink coming through as there is only one hole where the liquid can be produced from, helping to cut out any little spills. The single hole is large enough to take an average sized straw this will also help their drinking management. Ideal from weaning onwards. Suitable for 6 months+ The product is designed to be used in place of the spout from the first cup. Suitable for all forms of sterilization.