Hotel Style Feather Bed - Add a layer of cushion and support to your mattress. Feathers and Down Alternative Blend - Natural white feathers blended with down alternative gel fibers, provides a perfect balance of support and softness. Box construction maintains its shape without shifting and clumping. Fits mattresses up to 18" with anchor band to keep it in place. Hypoallergenic and feather proof 100% cotton cover minimize feathers poking through.