To use the Spray Vial (Wonder Water Stick), simply drop the vial in a spray bottle of water then shake. Clean any surface, windows or mirrors. With children helping, this is a must! It is even great to mist houseplants or where ever your imagination will take you! This Spray Vial (Wonder Water Stick) will last for a good 3 years. A great HAIR DETANGLER for you or your pet! It is safe for the environment, children and chemical sensitive adults. If you have a camper, these work great. NOTE: Rhona of Yelm Washington experimented and used this Vial (Wonder Water Stick) in her carafe of wine, slowly stirred it and she claims her wine tasted so good as well as guest liked it better with the Wonder Water Stick in. We never know where our customers will use this versatile Vial (Wonder Water Stick)! IT IS NON-CHEMICAL , You and your children will love cleaning everything with this. The Spray Vial (Wonder Water Stick) works on the same principle as the Wonder Ball in the washing machine. [Just how does the Wonder Ball work?] There is a special frequency enhanced mineral formula in the ball. When the ball is agitated in the washing machine, there is an energy field created within the ball. It appears when the water molecules meet up with this the surface tension disperses. The water now can do the best in cleaning the fibers of any fabric. It is the water that does the cleaning. Through physics, not chemicals, you will get outstanding results.