485-Thread Count 100-percent Cotton Sateen Supreme Luxury Gusseted Fiber Bed, With Skirt, 4 Side Mesh Gusset, perfect choice for allergy sufferers. With a soft and cluster fiberfill that provides the maximum support, while giving your body the comfort it needs to get restful night's sleep. This Topper is made of 100-percent cotton sateen cover with 485-thread count and anti-microbial and stain resistant. They are very cushiony and are designed with a 9-inch baffled box construction and finished with a 3-inche gusseted edge. It is filled with a thick layer of premium 100-percent synthetic cluster fiber. The top is a layer of Micro fiber which is not only thick and lofty but very luxurious. The mesh side, top, and bottom gussets expedite the transfer of heat and moistrue. The full-way 13- inch stretch-to-fit elastic skirt can fits up to 21 inch matress.