The Sealy Cool Cotton Mattress Pad offers moisture-wicking technology that keeps you cool, dry and comfortable all night long. A stain-release finish ensures spills and stains will wash out easily for a long-lasting clean. The 100% cotton, 300 thread count, sateen top offers a soft luxurious feel, while the mesh sides easily accommodate twin and full mattresses up to 14 inches deep, and Queen, King, and Cal King mattresses up to 17 inches. This mattress pad is machine washable for easy care and continued use.