Bumkins Silicone Straw Cup and Lid Set is designed with unique features and options to support independent drinking skills and stages. Littles can use it as a spill-resistant toddler sippy cup with a sloped interior to control the liquid flow, taking sips from a coffee-style spout on the made-to-fit lid. Or learn to drink from the angled straw for smoother suction with a built-in stopper to prevent them from pulling it out of the cup. And with a weighted bottom to reduce spills, little ones can skip the straw and lid to practice open cup drinking! And with a weighted bottom to reduce spills, little ones can skip the straw and lid to practice open cup drinking, supporting the transition to big kid cups!