New with tag Size King/ Cal King Color: White Made of 100% hypoallergenic microfiber fill. Made in the USA of Imported Materials. Features a 100% cotton sateen shell. Reinforced with a double stitched piping seam. Comes with a 3 year warranty. Learn more. OEKO-TEX® STANDARD 100 21.HUS.61798 Hohenstein HTTI. 20" x 20" Our down alternative items are made of superfine, 100% hypoallergenic microfiber fill that mimics the warmth and fluffiness of natural down. Features a soft, yet durable 100% cotton sateen shell. Learn more on the Blog. Dry clean or machine wash cold (delicate cycle recommended) using mild liquid laundry detergent. Tumble dry low with Wool Dryer Balls to redistribute the fill. Remove promptly. Avoid any excess heat during the washing and drying phases to reduce any damage to the fill or outer shell. Spot clean as needed and fluff daily to keep it looking fluffy and new.