This anti-allergy mattress topper in a luxury blend of Goose Feather & Down will provide excellent recovery properties and years of long lasting support. Cassette style construction helps to reduce cold spots and the edges are piped. Brand: Downland Washable Cover: 100% Cotton Downproof, 233 thread count Filling: 85% Goose Feather, 15% Down Available in: Double - King - Single - Super King 4.49 5 DL D False Bedding 5.99 5.99 Downland Goose Feather & Down Anti Allergy Mattress Topper | Kaleidoscope