Royal Comfort Duck Feather and Down Mattress Toppers / 1800GSM - DoubleDESCRIPTIONTransform your mattress into one of luxury and comfort, with the Royal Comfort 1800GSM Duck Feather and Down Mattress Topper. The topper is a decadent 1800GSM, with a premium fill of 95% white duck feather and 5% white duck down. The fill is encased in a 233 thread count 100% cotton cover that is both soft to the touch and ensures that the fill does not poke through. The baffle box design of the topper ensures that the fill is evenly