Pinzon Microfiber Sheet Set, California King with 4 Pillowcases, Blue Dusk 100% Polyester Microfiber Imported California King sheet set includes fitted sheet, flat sheet, and 4 pillowcases 100% polyester extra-fine weave 120 GSM microfiber Soft, strong, and breathable; designed for year-round use Variety of colors available; wrinkle resistant Machine washable for easy cleaning