A Light Warm, Easy-Care Duvet In A Cotton And Polyester Blend With A Soft Hollow Fibre Filling From Recycled Sources. The Soft, Light Fibres Keep Their Volume And Insulation Ability, Allowing Your Body To Breathe And Maintain An Even Temperature Throughout The Night. A Good Choice If You Often Feel Warm While Sleeping. The Duvet Is Machine-Washable At 60°C, A Temperature That Kills Dust Mites.