The OfficialCrate Sippy Cup!
Yep! At first we thought, let's design the perfect adult sippy cup! And don't get us wrong, we did--but it is so much more...
Made of high borosilicate glass, this double-walled, insulated, 12oz cup definitely has some superpowers of its own:
Nontoxic silicone lid is leak-proof and easy to clean.