Thick cotton flannel, brushed many times to create an incredibly soft hand. These weighty six-ounce sheets are luxuriously comfy and warm. u00a0The flat sheet and pillowcases have a 4" self-hem. Coyuchi produces high-quality linens from minimally processed natural and organic fibers in responsible and ethical factories. With a relaxed palette inspired by the coast, Coyuchi products are crafted without compromise to design, comfort or the planet. 100% Organic Cotton Machine washable. Wash on delicate cycle with like colors, cold water and a plant based detergent. Whiteners not recommended. Only use non-chlorine bleach. Line dry or tumble dry low. Imported Dimensions Standard/Queen - 20" x 32" King - 20" x 40" Cloud Brushed Organic Flannel Pillowcase Set of 2 by Coyuchi in Grey, Size: Us king, Cotton/Linen at Anthropologie