D. Charles 300 Thread Count 100% Combed Cotton Sheet Set with Extra Bonus pillowcases (Twin, White) Combed Cotton All sizes have double the pillowcases! Twin has 2 - Full Queen and King have 4! Combed cotton yarns for smoother, sturdier and higher quality fabric. Extra deep pockets on Queen and King will fit mattress up to 18in. Mercerized Italian-style finishing for reduced pilling and shrinking. Overspec'd and Oversized to fit your beautiful bed.