Blue Ridge Home Fashion 233 Thread Count Cotton Water Repellent Mattress Pad, Full, White 100% Cotton Top With a Poly Knit Skirt Imported 233 thread count, 100percentcotton-top, water repellent polypropylene non-woven fabric back 17-Inch poly knit skirt, 10-inch end-to-end Sewn thru box stitch 8 oz per square yard, 100Percentpolyester fill 55 oz fill weight Machine washable