The softest most comfortable night’s sleep you will have. These Bamboo Sheets will insulate if you are cold and ventilate if you are hot. Elastic goes all the way around the fitted sheet to fit high loft mattresses, up to 22 inches. 250 Thread count gives bamboo sheets unique high comfort and performance not found in higher thread count sheets. You spend a third of your life in bed, sleep in luxury! * Bamboo Fitted and Flat Sheets are sold separately to provide you with a variety of styling options.