Royal Tradition's King Size 300 Thread Count Solid Navy Sheet Set 100 % Cotton 4pc Bed Sheet Set (Deep Pocket) 300tc 100% Cotton Experience true luxury when you sleep on these ROYAL TRADITION woven solid cotton sheets 300 thread count. Only Royal Tradition Brand Can fulfill your needs for 100% Cotton sheets 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