Coyuchi's organic flannel sheets are made from a soft and warm 6 oz flannel. Constructed with a high quality elastic that runs all the way around the bottom. The 15" pocket depth is designed to accommodate thin to thick mattresses. These organic sheets have a four inch hem at the top and a half inch hem on the sides and the bottom. Prices are for complete sheet sets and include one fitted sheet, one flat sheet, and two pillowcases (Twin, Full, and Queen sets come with Standard/Queen size pillowcases and King sets come with King pillowcases).