Wonderful 100% cotton flannel dual white cloths for taking care of your jewelry. Will do a great job especially on Sterling Silver. However it will be fine for gold, copper and brass. Outside cloth is used for polishing and finishing making your jewelry brillant and shiny everytime. Wipe gently and watch grime and tarnish vanish! When opened actual measurement is 5.5" x 7" and when closed 4" x 6". Made in the U.S.A.