Jewelry and Gem Cleaning Foam (Purse Sized) (Pack of 2) "Foamz" Gem & Jewelry Cleaner is ideal for cleaning gold and silver. Plus, it's non-toxic formula is safe for cleaning diamonds, ruby, sapphire, topaz, amethyst, and other precious and semi-precious gems and jewelry. Simply foam a little onto the piece, rinse with water and your jewelry will look like new! Container is only 6" in length, so it fits nicely into your purse or travel bag. Each Bottle Has 2.5 fluid ounces