Ease the changeover from a sippy cup — to big girl or boy cup with this seven ounce OXO Tot Training Cup. A perforated lid regulates the amount of beverage flow once your child tilts the Training Cup. This tilted Training Cup allow a more gradual flow and will diminish messy cleanup session while your child learns to drink in a big girl or boy’s cup. When your preschooler is ready for the big league, you can easily remove the lid and this OXO Tot Training Cup transforms. Every Tot Training Sippy, Straw and Training Cups by OXO offer interchangeable lids.