This Soft Spout Sippy Cup is a spill proof solution for teaching your little one to drink like the big kids. The Oxo Tot Sippy Cup Transition grows with your child. The almond shaped spout is specially designed to allow liquid to flow with ease when your little one is drinking but to be sealed tight when tipped the Oxo Tot Transactions Hard Spout Sippy Cup will keep for a stain free home. A sturdy cap covers the silicone spout in order to keep it clean in diaper bags and prevent leaking. The unique twist in valve is super easy to install and stay secure even when the cup is dropped or thrown. Convenience is key, the sippy cup features measurement markings allowing you to keep on top of how much your child is drinking. The Sippy Cup is also dishwasher safe for easy cleaning!