As a regular sippy cup, it's great! This makes it great for my baby who is used to drinking from a regular straw. He hates drinking from other sippy cups with straws that decrease the amount of flow, thereby requiring more effort to *.

It's the right size where it’s a decent amount of water to hydrate him without being too heavy. Steel lining inside which is better than plastic for kids water bottle.

It is leak proof when closed, but he is able to pour out enough water to soak his clothes and car seat when it is open. It's also so incredibly annoying to have to remove the plastic green sleeve everyday when i wash it to prevent mold. Does not keep ...  Read More

The inside has rust spots on it. It’s hard to clean the lid and silicon gets black over time.

Disappointed with the overall design and durability. It’s very fragile, the straw is minimum. Would not purchase again.