Our standard pillow restoration process will fluff the feather/down through a tumbling process. If the pillow is old and feathers starting to deteriorate, additional feathers or down can be added during restoration. A standard feather pillow has about 3 pounds of feathers. Our feathers are sold in ¼ lb bags; often 1-2 bags are all that is needed to restore loft. Remember to specify feathers or down when requesting new feathers to be added.