sheetsnthings Solid Ivory Super Single Waterbed Percale sheet set 100% Cotton 100% Cotton Experience true luxury when you sleep on these Superior cotton percal sheets 300 thread count. cotton Super single water bed sheet set 4" Hemming with Piping, Flats & Pillow cases 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 & Flat sheets are attached at the footer so bed stays made machine wash with cold water.Softness enhansed with each washing