Xtreme scratch terminator. Owing to its hard and durable surface, say goodbye to the possibility of scratches, dust, scrapes and daily wear and tear. Uncovered-screen experience. High-response material maintains your screen's sensitivity and even improves the glide experience. High transparency with 99.5% clarity, let your screen's full viewing clarity shine through. Protect your screen even better than a cover could, but with complete invisibility (well, virtually) Bubble-free. With self-adhering surface, the film is designed for easy application and bubble free during application. A squeeze card is also included to remove the occasional bubble easily. ***Only compatible with the following 7" tablets: Dragon Touch Y88/ Y88X 7" Android Tablet ProntoTec Q9S 7" Android 4.4 KitKat Tablet Osgar 7 inch Tablet Tagital T7X 7" Tablet DeerBrook 7" Tablet Alldaymall A88X 7" Tablet Chromo inc 7" Tablet iRulu X1s 7" Tablet Condroid 7" Tablet FastTouch(TM) FT-A7, 7" Tablet JYJ 7" Tablet NeuTab N7 Pro 7" Tablet Idroidnation 7" Tablet Matricom G-Tab Nero Includes Everything You Need: 3* HD clear screen protector. 3* Microfiber cloth 3* Alcohol prep pad 1* Smoothing card A few tips that may help to avoid the dust and bubbles: 1. Power off your device and place it under bright light. So you will be able to see the dust if there is any. 2. Apply the screen protector in clean environment. You may try to install the screen protector in the bathroom after running the shower for a few minutes. 3. You can use sticky tape to remove the dust off the screen. Remember, the most important is there is no dust on the screen before you apply. No dust no bubbles. In addition, most of the bubbles will go away by themselves after a few days of normal use if there is no dust in the bubbles.