Design Weave Outlast All Season Temperature Cooling Sheet Set, White, California King Cotton 50% / Outlast 50% Imported Outlast patented technology, 50 % Outlast Viscose, 50 % Cotton Sateen California King flat sheet 108" x 102", California King Fitted sheet 72" x 84", fits up to 18" mattress Regulates body temperature, not too hot, not too cold. Reduces night sweats and thermal incompatibility for couples Set includes one flat sheet, one fitted sheet, two King 20" x 40" pillowcases Machine washable