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Upgrade your sleep experience with the King Koil Luxury Qi – Cool Firm Mattress, engineered to deliver unmatched support and cooling comfort. Perfect for those who prefer a firmer sleep surface, this mattress combines King Koil's advanced Qi-Cool technology with high-density support layers to promote optimal spinal alignment and pressure relief. The Luxury Qi mattress is crafted to provide a balanced level of firmness, making it ideal for back and stomach sleepers who need extra support for a restful night’s sleep.