D. Charles Luxury 500 Thread Count Solid Color Sheet Set with Bonus Pillowcases - Wrinkle Resistant Cotton Blend (King, Lavender) Cotton Blend All sizes have double the pillowcases! Twin has 2 - Full Queen and King have 4! Easy care and wrinkle resistant when following washing instructions. Combed cotton 60's single ply yarn blend (60% Cotton / 40% Polyester) for smoother, sturdier and higher quality fabric. Deep pockets will fit mattresses up to 18in. Oversized to fit your beautiful bed - read Product Description below for more details.