Discover the soothing comfort and pressure-relieving support of foam and fiber. The SensorPEDIC MemoryLOFT Deluxe mattress topper features 3" of a memory foam and fiber blend designed to provide the best of both comfort and support. Clusters of ventilated SensorFOAM memory foam are blended with SofLOFT fiber fill to maximize weight distribution, relieving pressure and allowing your body to truly relax. The supportive comfort of the foam and fiber fill is enhanced by the gusseted baffle box construction. The naturally soft 220-thread count breathable polyester cover is treated with moisture-wicking Nanotex Coolest Comfort technology so your sleep experience is as cool as it is comfortable.MemoryLOFT Deluxe 3" Memory Foam and Fiber Mattress Topper features a 3" soft and supportive blend of foam and fiber designed for comfortable, restorative sleepVentilated SensorFOAM memory foam clusters alleviate pressure while enhancing airflow so you stay cool and comfortableSofLOFT fiber fill gently cradles your body with additional supportive comfortMade with 100% CertiPUR-US certified memory foam220-thread count cover engineered with advanced moisture-wicking Nanotex Coolest Comfort technology retains the fabric's natural softness while allowing for maximum breathability2" x 8" elastic anchor bands secure topper to your mattress10-year warranty100% polyester. Spot clean. Made in America of imported materials.Twin: 39x75x3"HTwin XL: 39x80x3"HFull: 54x75x3"HQueen: 60x80x3"HKing: 76x80x3"HMemory Foam Tips:remove from packaging within 72 hoursafter unwrapping, air product for a few hours to eliminate trapped odorsallow 48 hours for this product to return to its original shapeTopper dimensions may be sized slightly smaller than your mattress for a secure fit under your sheets.