What's the function- The cleaning gel has an amazing effect to clean and remove dirt and hair in cavities of keyboard; with this keyboard cleaner, your won't type words on a dirty keyboard anymore How to use? The sticky cleaner is easy to use, take a piece of dust cleaner and press it to keyboard, and then pull it up after few seconds, your keyboard will be clean and more comfortable to type Worry about your safety? Our cleaning slime is made from natural vegetable gum and non-toxic bactericid How to use- The sticky cleaner is easy to use, take a piece of dust cleaner and press it to keyboard, and then pull it up after few seconds, your keyboard will be clean and more comfortable to type Worry about your safety- Our cleaning slime is made from natural vegetable gum and non-toxic bactericides, it's never sticky to your hands and no stimulation to skin, you can use it with confidence