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The Costway Rollable and Portable Electric Warming Tray is a 24 x 16.5 inch silicone mat that rolls up for storage and heats food directly on its nano-coated surface. It runs at 260W with fast heating, a three-setting timer and automatic shut-off, and the insulated border stays cool enough to handle. At 3 lbs with a 6.5 ft cord and a storage bag, it is built to move between kitchen, buffet and table. Its best new price is $36.99 at FactoryPure as of November 6, 2026, the low end of what the 7 stores listing it new charge.
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Lowest price we've seen: $36.99 on Nov 7 at FactoryPure. Tracked across 8 stores since Nov 7.
Rated 4.6 out of 5 from 91 ratings, buyers mostly like how quickly it warms and how little space it takes when rolled up. Complaints center on the surface and the limited controls rather than reliability.





