Filling: 100% polyester (super siliconized hollow fiber). Cover: 65% polyester, 35% cotton. Duvet with high functionality and multiple uses. Supersiliconized polyester hollow fiber. Skin-friendly cotton blend fabric. Quality standards for laundries. Thanks to quilting no slipping of fiber filling. For hospitals and all facilities where hygienic cleaning is important. Passed cigarette annealing test according to EN ISO 12952-1.