Contains no cleaning fluid: BoYata All-in-One removable fingerprint proof computer screen cleaner consists of a protective case, a microfibre cloth cover and a spray bottle (without cleaning fluid), a built-in spray and a wiping cloth in one. Extremely convenient to use after filling with cleaning fluid. Note: Please do not fill with corrosive liquids. Wide CompatibilityThe touch screen mist cleaner is useful for screen cleaning. Suitable for all phones / tablets / laptops / monitors / TVs / car screens, glass surfaces etc. Spray and wipe in one for quick and easy cleaning to keep your screen looking as good as new. Safe and without damaging your screen. Powerful Cleaning: The updated microfibre cloth of the screen cleaner allows fingerprints, dust, grease and dirt to be easily removed from the screen without leaving streaks or scratches. Highly absorbent and no shedding Unlike other products, it has a silicone scraper on the back that effectively removes stubborn stains on the screen. WASHABLE & REUSABLE: the gentle microfiber cloth with hot press technology, non-stick, and the laptop screen cleaner is washable, the surface of the cleaner is dirty, can be washed directly with clean water and reused after drying. The 10.5ml spray bottle is easy to refill and reuse. Lightweight and portable: the screen cleaner is very light in size and weight, has the size of a lipstick, easily fits in a pocket, handbag, make-up bag, backpack or car etc. and is easy to carry. The transparent ABS protective cover effectively protects your bag or trouser pocket from dirt. Please contact us if there is a product problem.