A naturally breathable duvet insert with the comforting weight of American wool. Channel stitching keeps the fill evenly distributed, while corner loops connect securely to a duvet cover.Product Highlights USA wool batting inside a cotton shell Warm, breathable and slightly weighted Channel-stitched construction helps keep the wool in place Corner loops attach to a duvet cover Made in Minnesota Materials & ConstructionFilled with USA wool batting and finished with channel stitching inside a cotton shell. Wool is a renewable, biodegradable fiber with natural insulating properties.Dimensions Twin/Twin XL: 66" × 86"; 3.25 lb wool fill Full/Queen: 90" × 92"; 4.25 lb wool fill King/California King: 109" × 94"; 6 lb wool fill CareSpot clean for small areas and occasionally air outdoors. Do not machine wash. For deeper cleaning, hand wash in cool water with wool wash, squeeze gently without wringing, rinse twice and dry flat away from direct heat.