The West Elm Half Moon Organic Duvet Cover (Full/Queen) 100% GOTS-certified organic cotton bedding item featuring a geometric half-moon pattern, soft, durable material. Button enclosure..  Machine washable and features standard, durable, and comfortable construction. Excellant condition. On a bed rarely used. Key Features & Details: Design: Geometric half-moon pattern (sometimes referred to as Shimmer Blue). Material: 100% Organic Cotton. Size: Full/Queen (approx. 92" x 88").