ComforPedic Loft from Beautyrest revolutionary Memory Foam infused with cool, rejuvenating gel in a dual-sided design provides the ultimate supportive and comfortable sleep experience. Gel absorbs pressure and channels heat away, preventing excessive heat build-up that causes sleep disturbances. Measures 3 inches thick Density: 3.2 pounds Queen: 58 inches wide x 79 inches long Includes Waterproof Cover (White) Meets all flammability standards Made in USA Memory Foam Do's and Don'ts: To maximize memory foam expansion; remove from packaging within 72 hours of receipt. This product arrives very tightly packed. Please unwrap and allow 48 hours for this product to return to its original shape. Being sealed in plastic packaging sometimes traps odors. A few hours of airing usually removes the odor. Due to machine cutting manufacturing processes, there may be slight variances in the dimensions of this product. Due to the nature of Memory Foam the firmness level of every item is unique. Topper dimensions may be slightly smaller than your mattress dimensions. Size has been designed to allow you to easily secure your fitted sheet over your new memory foam topper.