B.box Sippy Cup limited addition

B.Box sippy cup features our innovative b.box weighted straw that moves with the liquid - whatever angle the cup is tilted. This redesigned straw has a unique two-way valve, ensuring easy drinking and NO leaks, even with warm water. Sippy cup base is microwave safe. Heat in intervals of 30 seconds and stir thoroughly. Test temperature of contents before serving. Do not microwave sippy cup lid and straw.