The MAM Grow with Baby Gift Set includes everything you need to create the ideal baby bottle for your growing baby. The components of this gift set allow you to customize your MAM baby bottles according to baby s needs and turn baby bottles into sippy cups for toddlers when baby is ready to transition to independent drinking. The baby bottle nipples and extra soft spout can be used on any of the 5 oz or 9 oz bottles; plus, the handles can be added to the bottle when baby is ready to hold the bottle on their own. This gift set also comes with four sealing discs designed to convert MAM baby bottles into milk storage containers, as well as one MAM Comfort pacifier. The MAM Comfort pacifier is a super lightweight, 100% silicone, one-piece MAM pacifier specially designed for newborns. All MAM products are BPA/BPS free.