Quality man-made polyester filling creates duvets that are light yet warm. These are machine washable, the cover being easy care fabric and with intermittent stitch pattern to help secure the filling in place.100% polyester microfiber is brushed for luxurious softness. cover 100% cotton. The comfort benefits of a fibre duvet are well proven: Warm,comfortable duvet, long-lasting, lightweight filling, which offers softness, uniform insulation and excellent shape retention. Washable 60° C.