OCS certified pillow case 50x50 cm in 50% linen 50% cotton blend. Increadible soft with a wash that gives a very beautiful understated look and handfeel. Invisible zipper for closure. Delivered with OEKO-TEX feather filing inner pillow. OCS (Organic Content Standard) verifies the presence and amount of organic material in a final product and tracks the flow of the raw material from its source to the final product.