Pamper your muscles with this Comforpedic mattress topper. Made from 4 inches of sculpted memory foam, this topper distributes your weight evenly to prevent sore spots and back pain. The temperature-sensitive, gel-infused foam diffuses body heat to keep you cool and dry at night.Includes 1 gel memory foam mattress topper4 inches thick2-pound densitySculpted on 1 sideTemperature sensitive and draws heat away from bodyReduces pressure pointsEases back painCan be placed sculpted side face up or face downMeets all flammability standardsTwin: 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.Click here to view mattress topper buying guide.