Nautica Resort 310-Thread-Count Cotton Percale California King Sheet Set California king sheet set with flat sheet, fitted sheet, and 2 king pillowcases 310-thread-count cotton percale; machine wash warm Coordinates with the Nautica Resort bedding collection Fitted sheet fits mattresses up to 18 inches 108-by-102-inch flat sheet; 72-by-84-inch fitted sheet; 20-by-40-inch pillowcases