Royal Heritage Home Anti-Bedbug King Size Sheet Set, Blue 50% Cotton / 50% Polyester Imported Designed to fight Bedbugs with ZERO micro technology (pore size) Sheet set includes 102-inch by 106-inch flat sheet, 78-inch by 80-inch fitted sheet and two 20-inch by 40-inch zippered pillowcases Waterproof, breathable and wrinkle-free Zippered pillowcase seals completely for ultimate protection Elastic sewn completely around the fitted for secure, tight fit; Fits mattresses up to 17-inch