Duvet's weight depends on your natural body temperature and the ambient temperature of the room Deluxe weight duvets that are ideal for most people all year round with 500 grams of silk in every metre -- light enough for the summer and warm enough for Canadian winters Comes equipped with buttons to secure them together, a perfect solution for extra chilly nights Packaged in a reusable drawstring pillow case -- perfect for storing linens Twin-sized duvet features a 300 thread count