Newpoint International 370-Thread Count Mercerized Cotton Mattress Pad, King 100% Cotton (Shell) With Polyester Fill Imported 100% Cotton (Shell) with Polyester fill mattress pad for extra sleeping comfort 370-thread-count, 100-percent mercerized cotton for softness and durability Generously filled with hypoallergenic polyester spiral-spun fibers Expandable skirt fits mattresses up to 22 inches thick, Machine washable for easy care; made in China