Start a sleep revolution. The Beautyrest ComforPedic memory foam topper is backed by sound science to make this possible. Cool. Snug. Value. Quality. Durability. Vigor. These special words will take on new meaning for you after sleeping on this 4-inch mattress topper. The gel-infused sculpted design adds an element of support while opening the channels of cool, free-flowing air. We’ve made it easy for you. Just throw it over any of your old beds for the most peaceful revolution in history.Features:Originally designed for NASA, this space-age foam cradles your body, reducing pressure points that cause tossing and turningTemperature-sensitive foam adjusts to your body temperature and draws uncomfortable warm air away from your bodyEliminates motion transfer and uncomfortable pressure pointsHelps rejuvenate tired muscles and eases back pain3.2 pounds of foam density provide maximum comfortDisperses your weight evenly and improves circulationMeets all flammability standardsDimensions:Twin: 38 inches wide x 74 inches longFull: 53 inches wide x 74 inches longQueen: 59 inches wide x 79 inches longKing: 75 inches wide x 79 inches longCal King:71 inches wide x 83 inches longMeasures 4 inches thickMemory 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.’0′ to view mattress topper buying guide.