100% Microfiber SUBTLE SOFTNESS. With an ultra soft shell made of the finest 100% Microfiber and lofty Down Alternative Polyfill, this mattress topper excels in comfort. The microfiber shell is luxuriously soft and noiseless, and the hypoallergenic fill provides relief for those with allergies to goose down and feather bedding PERFECT FIT. This Twin topper measures 39" x 75" and contains 93 oz of fill with a 2" gusset. The plush down alternative fill refreshes an older mattress, adding a luxurious pillow top softness while preserving the support of your foam or spring mattress. Our mattress topper provides exceptional comfort, while staying cooler than more bulky toppers CLASSIC STYLE. Complete your bedroom set with Superior's collection of comforters, mattress protectors, blankets, and pillows. Our wide range of premium quality down alternative and memory foam bedding will make your bed so cozy, you'll never want to leave EASE OF CARE. The baffle box construction, crafted with double needle stitching, prevents our fill from shifting. This beautiful mattress topper is machine washable, and can be tumble dried on low heat to re-fluff. We recommend removing all bedding promptly from dryer to reduce any wrinkling. Always follow care label instructions for best results