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. They can be used together during the coldest times of the year, joining them with their snap buttons, or separately during the warmer months. The hollow silicone fiber filling offers exceptional comfort, and the cover has a pleasant velvety feel. Machine washable at a maximum of 40ºC, can be tumble dried at a reduced temperature. Weight: 150 g/m² TOG 4.5 + 300 g/m² TOG 10 | Low, medium and high warmth.