IKEA stjarnstarr quen/full duvet insert 86x86. 10% viscose in the filling provides cool comfort in warm conditions. The higher amount of viscose the higher cooling effect and the more temperature regulating the duvet will be.You maintain an even body temperature and get a restful sleep thanks to the wax infused viscose fibers that absorb excess body heat and releases it back when your body temperature drops again.You experience a comfortable and dry sleep since the comforter contains lyocell fibers which breathe and absorb moisture.A good choice if you often feel too warm while sleeping.The comforter is machine-washable at 140°F/60°C, a temperature that kills dust mites.DesignerIKEA of Sweden Used for for a few summers, always in a duvet cover freshly laundered.