From Brumate, the Leap Kids Straw Tumbler, 12-oz features: Kid's tumbler Cup holder friendly Leakproof Ü-Turn™ lid  Cold key straw to minimize plastic exposure in their drink Easy carry handle  Dishwasher safe Approx. capacity: 12-oz  Approx. empty weight: 0.86 lbs Approx. 7.2" H x 4.25" W (max width), 3.2" (min width Imported. Note: Leap must be in the locked position to prevent spills. There is an instruction manual that comes with it and explains how it works. Recommended for ages 4+.