Royal's Striped White 300-Thread-Count 4pc Olympic Queen Bed Sheet Set 100-Percent Cotton, Sateen Striped, Deep Pocket Cotton Experience true luxury when you sleep on these Sateen woven stripes cotton sheets 300 thread count. Olympic Queen sheet Set includes flat sheet, fitted sheet and two pillowcases 300 thread count.Thread count is the number of threads per square inch of fabric--the higher the thread count, the thicker, more durable and longer lasting the material Fitted sheets will fit mattress up to 18 inches deep ,Elastic all around for a perfect fit machine wash.Softness enhansed with each washing