Hotel Grand White Medium Weight for All-Season Warmth European White Down. Large clusters for high loft and comfort 650 Fill Power The cover is made from 100% cotton down-proof fabric, 500 thread count damask stripe fabric All-natural, Sustainable Goose Feather and Goose Down Blend fill Self-cord piping gives a strong finishing detail FreshLOFT® process ensures the down is clean of dust, dirt, and allergens; Hypoallergenic Twin Size: 68"x90"