Dr. Brown's™ Sportflasche mit Kühlstab

The freezer stick slides right into the lid and stays put, and it's been a lifesaver for keeping his drink cold through a full afternoon at camp. The leak-proof seal has survived being tossed in the diaper bag more times than I can count.

The freezer stick keeps his water ice cold through an entire afternoon at camp, and the leak-proof lid has survived being tossed in his bag more times than I can count. It's the only bottle he actually reaches for on his own now.

The freezer stick is a lifesaver for daycare — I pop it in the night before and the water stays icy cold through lunch. The spout is leak-proof enough for my toddler's bag, which honestly sold me on this thing.