About This WORKS ON CALCITE-BASED STONES - MB-11 is designed to remove etches, water stains, or water rings on countertops made of marble, travertine, limestone, and onyx, and works best for light colored stones. NO TOOLS REQUIRED - This unique combination of specialty abrasives and catalysts makes the art of marble polishing extremely easy to implement without the need of any power tools! COMPLETE ETCH REMOVER KIT - The 8 ounce polishing kit comes with a 16 x 16 inch microfiber cloth, a pair of disposable latex gloves, and our proprietary blend of MB-11 marble polishing powder; everything you need to restore your stone’s original gloss. PERFECT FOR THE DIY-ER - MB-11 is perfect for the Do-It-Yourselfer or small projects at home when you need to remove etches or any water stains out of your calcite-based stone. All you need to do is add some water and hand buff it with a terry cloth. DIRECTIONS - First test MB-11 polishing powder on an inconspicuous area. Use gloves and apply 1/8 teaspoon of powder to any dull spot to be restored. Use a spray bottle to spray water over the powder to make a wet paste. Use cloth and rub until area is dry. You have to put some muscle into it! It will look bad at first, but keep going! To eliminate any residue, spray stone cleaner and rub dry. Overview Material : Marble Grit Material : Aluminum Oxide Brand : MB Stone Care Grit Type : Fine Item Weight : 8 Ounces