ZAGG - Refurbished Excellent - Invisible Shield Glass Elite Visionguard Screen Protector for Samsung Galaxy S21 FE 5G - Clear

Enhanced Eye Protection: Integrated with Eyesafe layer, filtering 40% of peak harmful blue light emissions (435-440nm), thus reducing digital eye strain and promoting healthier screen time Ultimate Scratch & Shatter Defense: Glass Elite VisionGuard, with its aluminosilicate construction, offers 5x stronger resistance against scratches and shattering, owing to its ion exchange technology.