TINGTONG Tempered Glass Guard for Vivo U20  (Pack of 3)

Tingtong Protect Your Eyes Health! Anti Blue Light Tempered Glass Screen Protector! This tempered glass acts as sun glasses for your mobile, you can see screen even in bright sun Major Advantages -Design for your Eyes' Health! Anti-Blue Light Filter Tempered Glass Screen Protector prevent your Eye Retina from eye fatigue causing by Blue Ray from cellphone screen. Assist you to have a better sleep since it could soften screen's light and comfort your eyes. -Ultra Transparent, 2.5D Round Edges.Touch Screen Accuracy,Delicate Touch -High Hardness(9H),Impact Resistance. Anti-shatter Film, Won't be sharp even broken.Safer! - Ultra Thin Glass will give mobile screen sensation to fingers Steps Step 1 -Clean screen with Wet Wipe; -Dry and remove streaks with Dry Wipe. Step 2 -Peel off Protective Mask from Protector, -Be sure NOT touch the "Sticky Silicone" side of protector. Step 3 -Align the cutouts correctly, then Place the protector on screen, -Then Press & Hold your index finger (about 10 seconds) on the center of screen to complete Silicone Adhesion. -Squeeze out air bubbles starting from the center of screen and wide outwards. -Bubble on the edges will disappear within 1 to 2 days.