Metalwax Water Spot Remover is a non abrasive product kit to remove hard water spots on glass; even safe on paint and rubber/plastic. The water Spot Remover Kit includes (1) NSF Certified 16- oz Metal Cleaner Medium Strength, (1) AMS Certified 8-oz Top Wax, (1) Microfiber towel, and (1) Terry cloth sponge applicator.