This polishing cloth is made of premium cotton and microfiber, which makes it gentle and effective in cleaning and polishing your jewelry. Measuring 9.84″ x 12.8″, it is perfect for larger jewelry like necklaces and bracelets. This multi-purpose cloth can be used for cleaning and polishing various jewelry types, including sterling silver, gold, platinum, gems, and coins.  Color choice is random. Rubbing the jewelry with the cloth makes it easy to remove dirt and tarnish, leaving your jewelry shiny and looking brand new.