Sold exclusively at Walmart, the IonMug costs way less than other self-heating mugs I've tested. So how does it compare to cups costing 2-3 times more? Surprisingly well, though it's not without ...
Sold exclusively at Walmart, the IonMug costs way less than other self-heating mugs I've found. So how does it compare to cups costing 2-3 times more? Surprisingly well, though it's not without ...