John Lewis Natural Duck Feather and Down 3-in-1 Duvet 4.5 + 9 Tog Super King collection-clothing-accessories Approximate Coverage: 6

Approximate Coverage: 6

Please note: we do not recommend using this mattress topper with an electric blanket as it will significantly limit its effectiveness

Sprockets are cut away to further lighten the cassette without reducing rigidity

Made to Measure or Ready Made: Ready Made

John Lewis Natural Duck Feather and Down 3-in-1 Duvet 4.5 + 9 Tog Super King collection-clothing-accessories Approximate Coverage: 6Our versatile 3 in 1 duvets feature two duvets with different togs, which can be joined together or taken apart to provide the perfect level of warmth throughout the year. A higher ratio of feathers to down gives this duvet a comforting, weightier warmth. The piped 230 thread count cotton cover is down proof, so feathers can't escape. Naturally breathable. Suitable for regular washing Washable at 40C, allowing for an effective clean that's much kinder