Tint Slime is the ultimate slip solution for window film installations. This green stuff was developed for tinters, by tinters. Tint Slime is eco-friendly, biodegradable, and of course, Tint Slime is Tint Safe. Directions: Add 1 ounce of Tint Slime per gallon of filtered water. Shake well. You may add more or less depending on temperature, humidity and your own tinting style. Made in the USA