Glass Screen Protector AlzaGuard FlexGlass for Samsung Galaxy Watch 4 Classic 42mm:Flexible and strong 5H protective plexiglass for your Samsung Galaxy Watch 4 Classic 42mmProtect your Samsung Galaxy Watch 4 Classic 42mm watch from damage by using the AlzaGuard FlexGlass protective glass. The glass is made of PMMA plastic and has a hardness of 5H, thanks to which it retains high resistance to shocks and at the same time maximum flexibility. This means it will not crack on first contact  with a table or other hard surface. PMMA plastic is used as an alternative to plexiglass due to its  greater flexibility and lower weight. PMMA is also used in dental prosthetics and the production of contact lenses. 2.5D roundingAlzaGuard FlexGlass adheres perfectly to your watch. Retains touch sensitivityYou can use your watch as before - AlzaGuard FlexGlass does not limit your devices functionality. Samsung Galaxy Watch 4 Classic 42mmAlzaGuard FlexGlass is designed specifically to trace the shape of your watch. Fast bubble-free applicationThe package contains everything you need to apply our AlzaGuard FlexGlass to the display of your Samsung Galaxy Watch 4 Classic 42mm. AlzaGuard FlexGlass has a thickness of only 0.55 mm and a high-quality adhesive across the entire surface. As a result, you can look forward to a hassle-free application with guaranteed maximum adhesion. How do I apply AlzaGuard FlexGlass correctly?  Find out in the article How to apply glass of film to a mobile phone.