Patented HEAVY DUTY HotSmart Plate (ALL plates come with heavy-duty seal now) keeps food hot. A-Z GUARANTEE: 1. Preheat ONE minute, stays HOT 1/2 hour. HOTSMART HOT PLATES Stay hot 4-6 TIMES longer than heated plates at restaurants (Moms love them); CLICK THUMBNAILS for details. 2. Microwave ONE single minute, HotSmarts stay hot for about HALF HOUR (4-6 times longer than heated plates at restaurants); HEATER CORE integrated, 3. HotSmarts are also widely used for ELDER CARE, WLS patients and people with special needs ALZHEIMERS patients, DIABETES, ALS, Parkinsons, stroke, cancer etc.), designed to keep food hot safely and easily. No more cold bland food. 4. This is A REAL PATENTED BREAKTHROUGH: The ONLY improvement to the ceramic plate IN HISTORY 5. IMPORTANT HotSmart plates also help you EAT SLOWLY and AVOID OVEREATING (could even help you LOSE WEIGHT) by acquiring the habit of eating slowly (Google “eating slowly”). – (Remember: Your FOOD WON’T GET COLD), you’ll get satisfied with fewer CALORIES (By all means research “eating slowly”). 6. HotSmarts bring the luxury of eating on HOT plates at home safely and easily: Safe bare hand handling by the rim which does not get hot. – 7. HotSmarts (in bone china) are elegant and appropriate for formal dinners 8. A normal preheated plate is difficult to preheat, unsafe to handle and will cool down in less than 5 minutes anyway no matter how much or how you preheat it (This is a NEW patented technology). – 9. HotSmarts can be handled SAFELY with the BARE HANDS, they have a COOL RIM and -by means of A DELAY ACTION- they do not overcook or overheat your food (like eggs, pasta, etc.). – 10. HOTSMARTS use a proprietary HEATING ELEMENT – IMPORTANT: DO NOT overheat; it is NOT necessary USE ACCORDING TO THE INSTRUCTIONS PROVIDED (or search: “how to use HotSmart plates” on the internet). Simply: “Zap and serve” (TM) and your food will not get cold. Ideal for MINDFUL EATING. Not recommended for small children or unattended sick people.