Univers natural duvet warm plump and light proneem anti dust mite treatment made from 100 natural active ingredients this duvet with premium quality extra white goose down filling offers top of the range comfort guaranteeing you a truly comfortable nights sleep made in france cover superb cotton satin percale 139 threadscm by drouault filling 95 high quality down 5 extra white goose feather 300 175 gm goose down is a luxurious and exclusive fabric it is selected