Ok, here's the thing! And not very inviting. Dust particles infiltrating narrow corners of your home such as window panes, bed slits, keyboard and shelf edges can cause asthma, silicosis and allergic rhinitis. And did we mention hay fever and dust mite allergy? Is it scary? You should be. After all, who wants a runny nose and a constant cough? So bring home this ingenious set of door keyboard cleaning brushes and throw away all stubborn dust, dirt, mud and insect residue that are quietly lying in the crevices of your home.Door Keyboard Cleaner Brush! What you will get: OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.