This duvet is particularly comfortable and ideal for creating a constant feeling of well being with its cover made from cotton and lyocell a plant based fibre that naturally absorbs and wicks away perspiration superior quality 400 gm50 cotton 50 lyocellthermosoft filling fine and spiralled hollowfibres that allow more air to circulate thereby ensuring perfect insulation plant based proneem dust mite protection effective even after it has been washed many times washable at 60 he