"Hot To The Last Sip"
Don't break your HotSmart® Keep-Hot Mug to see what is inside; it's no rocket science. I developed a microwave absorbing material to store lots of heat; the mug itself is a patented "heat storing device". This is the only functional change to the mug in history and it was developed in El Paso, TX USA.
Two bases with their respective heaters
OK, while it is no rocket science, don't be deceived by its apparent simplicity; it works!
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