Any water-safe surface you can think of: Cloth, canvas, countertops, fiberglass, chrome, plastic, leather, wood floor, vinyl, glass, windows, marble (sealed), grills, ovens, stoves, painted surfaces, carpet, concrete, linoleum, tile. The list is endless.
Make sure you follow the proper dilution recommendations on the label. Never apply Eco Orange as a straight concentrate. It must be activated by water.