Microfiber duvet insert with two layers, adaptable to the four seasons of the year. The product includes a 150 g/m² layer and a thicker 300 g/m² layer. Can be used together during the coldest seasons of the year, joining them with snap buttons or separately during the warmest months. The hollow silicone fiber filling offers superior comfort and the cover has a pleasant velvety feel. Machine washable at 40ºC maximum, may be tumble dried at a low temperature. Weight: 150 g/m² TOG 4.5 + 300 g/m² TOG 10 | Low, medium and high warmth.