Oxo's Transitions Open Cup Trainer is perfect for helping your child effectively make the transition to big kid cups. The Transitions Open Cup Trainer features a disk with two settings for children who are ready to learn how to drink like a big kid. The Training Cup is shaped to mimic grown-up cups, and when your big kid is ready, the disk can be removed to be used an open cup. 9 ounce.

Oxo's Transitions Open Cup Trainer is perfect for helping your child effectively make the transition to big kid cups. The Transitions Open Cup Trainer features a disk with two settings for children who are ready to learn how to drink like a big kid. The Training Cup is shaped to mimic grown-up cups, and when your big kid is ready, the disk can be removed to be used an open cup. 9 ounce.