The thermos is excellent and keeps my water cold all day. My wife fills it with ice water and then leaves it in the car in the heat and it seems to stay cool just fine. Definitely keeps beverage cold.

Seals secure not dripping. It closes well and is spill proof. It locks tight so no leaks.

Fits in my car's cup holder. They are quite big and heavy when full, but seem to get them through just about the whole day and after school care without needing a refill.

The handle is small however and hard to hold on to without hurting my fingers. The spring that holds the top open when you flip it open is too weak and the lid ends up smacking your head as you attempt to pound water. They want to replace it with one ...  Read More

The lids are not covered under warranty. It says 24 oz but only can be filled to 16-18 oz. Never put in dishwasher either. After 3 months the bottle starting leaking. It leaks water just sitting upright even when it’s just sitting on the counter.