4 cups in 1, taking baby from bottle feeding to toddler training in one great value pack. With each lid fitting the one base, simply change lids as your child grows, catering to every age and stage from 4 months to 12 months plus. Set includes: a fast flow (Stage 3) silicone teat with handles and cover 4m+, soft silicone spout lid that is gentle on baby gums 4m+, our award-winning, weighted straw sippy cup 6m+, and a training lid that teaches kids how to drink from a cup 12m+, offering easy free flow drinking with a unique window lid.