Serta(R) featherbed starts with a firm supportive base of small whole feathers and is topped off with super-soft feather and down fiber. The top layer features baffle box construction so the down is equally distributed throughout the bed, to give you comfort from head to toe. This is the perfect answer for a mattress that's getting a little worn or a memory foam mattress that may be getting a little too warm at night. Get the restful night's sleep you deserve! This item requires oversize delivery. Please refer to the Order Summary in the Shipping step at checkout for delivery charge. Material: Feather & Down Fiber, Cotton Twin: 2"x75"x39" >Full: 2"x75"x54" Queen: 2"x80"x60" King: 2"x80"x78" California King: 2"x84"x72".