HotSmart

Step1   Simply preheat them for one minute in a full size microwave oven (1200W) step2  There is no step 2 ; just serve your coffee HOT as usual, it will stay HOT to the last sip.   Below:  This is why or rather how it works HotSmart Mugs are a patented "microwaveable heat storing device" Enjoy coffee  IMPORTANT NOTE: The lady who wrote the negative feedback on Amazon.com DID NOT preheat her mug. (Can I blame her? Well... I need to teach people what they are buying when they purchase either a HotSmart Plate or a HotSmart Mug IMPORTANT: HotSmart Mugs were designed to keep HOT coffee hot for full enjoyment , that's all; and they work as claimed or your money back. A-Z GUARANTEE .

"Hot To The Last Sip"  Green, Safe. 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.  The heat -as in  HotSmart ® plates- is released slowly so your coffee (or tea) is not overheated and stays hot to the last sip. This is something no thermal or double walled mug can do since those mugs attempt to insulate the hot liquid. By the way: How do you insulate the surface of a liquid? and What heat is there to insulate when you are almost finished? Get it? Two bases with their respective heaters OK, while it is no rocket science, don't be deceived by its apparent simplicity; it works! For more information click here  Below: just a simplified sketch to try to explain how th