Color: Natural Flax Size King 100% European flax. Melange: Woven using two different yarn colors, creating beautiful depth. Fiber Dye: Uses yarn that’s spun from multiple hues, creating highs and lows in coloring. Solid: Woven from the same yarn, for minimal color variation. Due to the wash process, color will be unique to each piece. Duvet Cover: Button closure; four interior corner ties keep it in place.