JR Home Super Soft White Down Duvet Cover Insert Alternative Comforter, Twin 100% Polyester Imported Luxury goose down-alternative comforter for year round Box stitching design to avoid any shifting Twin size 66" x 88" 100-Percent Hypo-allergenic, Allergy Free Poly Fiber Care Instruction: Machine wash gentle cycle with cold water (Sun dry or low tumble dry)