JR Home Super Soft White Down Duvet Cover Insert Alternative Comforter, King 100% Polyester Imported Luxury goose down-alternative comforter for year round Box stitching design to avoid any shifting King size 102" x 90" 100-Percent Hypo-allergenic, Allergy Free Poly Fiber Care Instruction: Machine wash gentle cycle with cold water (Sun dry or low tumble dry)