The MAM 2-in-1 trainer bottle has been designed in cooperation with medical and technical experts to help your growing baby with the transition from sucking to drinking from a cup. Step 1 enables your baby to drink from a fast-flow bottle teat in their new trendy cup like bottle with handles, for the earliest transition to weaning. Step 2 offers the use of the cleverly designed symmetrical extra-soft spout with spill free, free-flow technology, for the second stage of weaning. Learning to drink independently is key development skill for babies. Thanks to this smart all-in-one trainer bottle babies will learn with ease the transition from sucking to drinking. There is also no extra valve to worry about, a simple but effective design with non-slip handles which fit all MAM Bottles & Trainer*. (*except the MAM 130ml bottle)