Nest Home by Robin Wilson 300 Thread Count Top Hypo-Allergenic Down Alternative Fiber Bed, Queen, White The 300-thread count 100-percent cotton cover is designed to let the sleeping surface breath keeping you drier and more comfortable thru the night Chemical-free top specially woven to create a barrier against dust mites and other microscopic allergens that can trigger asthma and allergy symptoms Double layer design; Top layer is filled with amazingly soft Down Alternative Micro Fiberfill and sewn thru box quilting for unsurpassed comfort Bottom support layer is filled with Hollow Slick Conjugated fiberfill; Baffle box quilting ensures the bottom layer holds its shape and loft 20" 2-way stretch skirt ensures the fiber bed stays secure to your mattress; Fits even the deepest mattresses; Queen size measures 39"-by-75"