Stripes IVORY 600 Thread Count Full (double bed) size Sheet Set 100 % Cotton 4pc Bed Sheet set (Deep Pocket) By sheetsnthings Cotton 100-Percent Cotton machine wash.Softness enhansed with each washing Fitted sheets will fit mattress up to 18 inches deep ,Elastic all around for a perfect fit Experience true luxury when you sleep on these woven stripes cotton sheets 600 thread count. 600 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