Silentnight Deep Sleep 10.5 Tog Duvet How do you make a duvet softer and more comfortable Simple - just add more filling! That’s exactly what Silentnight have done with the Deep Sleep duvet, and it results in an altogether more indulgent night. The hollowfibre filling gives it superb softness, while spring fibres provide extra loft and warmth. A channel stitched cover helps to keep the filling nearly spaced, and it’s available in Single, Double, King and Super King sizes. Choose your preferred size and tog rating using the selection tabs when ordering. Useful info: Extra hollowfibre filling for greater comfort Spring fibres provide loft and warmth Channel stitched cover 4 tog ratings Material Content: Outer: Polycotton. Filling: Hollowfibre. Washing Instructions: Machine Washable Filling: Hollowfibre Tog Rating: 10.5