This Dreamfoam Arctic Dreams 10" Cooling Gel Queen Mattress, listed at over $500, is now $249.99 at Tanga. Use our exclusive coupon code BRADSDEALS during checkout to save another $10. Plus it ships for free. This equals the best price we've ever seen, and most merchants are charging over $270. It features cooling gel and viscoelastic memory foam construction. It comes with a 10-year warranty and has solid reviews on every site we could find it. It comes in sizes Twin to California King priced up to $299.99, and our coupon code will take $10 off each one. Sales tax is charged in most states.