Organic Cotton Bed Sheet Set. Soft and Luxurious: White Color, Queen Size Cotton 100% Certified Organic Cotton 340 Thread Count combed super soft sateen set. Upscale construction and fit for all types of standard mattresses. Flat sheet, a fitted sheet and a pair of matching pillowcases (one for twin set). Organic processing from cotton to finished sheets to offer real organic purity. High performance woven fabric (no a knit) for durability and comfort even after 100 wash cycles.