This Transition Value Pack includes 4 cups in 1, taking bubs from bottle feeding to toddler training in one great value pack. The b.box bottle base fits each lid creating four different bottle and cup designs to adapt with your child. Simply change lids as baby grows, catering to every age and stage from 4 months to 12 months plus. If you require spare or replacement parts for any of your b.box products, please email us at [email protected] and we will see if we can order this in for you. About the b.box Transition Value Pack Teat 4 months + a fast flow silicone teat with handles and cover Spout Cup Lid 4 months + soft silicone spout that’s gently on baby gums Sippy Straw Cup 6 months + award-winning weighted straw sippy cup Training Rim Lid 12 months + teaches kids how to drink from a cup, offering easy free flow drinking with a unique window lid bbox b box