The Feather Bed is filled with our Duck Down & Feather filling is which is soft, yet firm and moulds to your body, cushioning all of the vital pressure points like shoulders, hips and knees. Simply secure the elastic straps to the mattress, cover with your mattress protector and fitted sheet and enjoy comfy, solid support just where it is needed. Please note that we recommend using a Mattress Protector with the Feather Bed for added comfort.