Filling: 85% duck feather. 15% duck down. Sizes: Single, double, king and super king. Cover: 233 thread count. 100% microfiber down-proof. Care: Machine washable at 40'. Can be tumble dried. Do NOT bleach, dry clean or iron. Ideal: For those who require extra comfort, warmth and support during bed time! Tog: Every size is 7.5 tog. 7.5 Tog Duck Feather And Down Duvet | Living Social