Filled with all-natural, white duck down, Dover is a great foundation for luxury bedding. The fill-loft of its feathery plumes produces a cushioned layer of warmth that is an inviting cocoon for sleeping. European white duck down. 600+ fill power. High fill power means larger down clusters and better insulation for warmth without the weight. Baffle box construction, which prevents the down from shifting and ensures optimal loft. Encased in 100% cotton ticking that is finely woven to keep the down from escaping its shell. SFERRA’s down products are certified by The Responsible Down Standard® (RDS). Loops on all four corners to allow the duvet to be tied to interior ribbons sewn into duvet covers to avoid shifting. Made in the USA of imported materials 12" Baffle box construction on DuvetPiped edgingCorner loopsCorner silks KING 108x94" / 40 oz. QUEEN 90x94" / 33 oz. TWIN 71x86" / 23 oz. CARE: Machine wash cold water on gentle cycle. Do not use a washing machine with an agitator. Do not use bleach (bleaching may weaken fabric and cause yellowing). Do not use fabric softener. Tumble dry on low heat using tennis balls in the dryer to help un-clump the down clusters. Please Allow 2-3 Weeks for shipping *Final Sale Item*