[3-Step Quick Installation] 1) remove fine dust. 2) tear off the plastic film. 3) paste the screen protector. The installation tray automatically aligns, so that your hand does not need to find a precise position, you can perfectly stick the screen protector. The kit includes: 2 screen protectors for iphone 13 pro max, 1 upgraded installation tray, 1 instruction manual, 2 cleaning wipes, 2 microfiber cloths, and 2 dust strips. (The installation tray can be applied multiple times.)[Zero Bubbles] After dust removal, ensure that your iphone 13 pro max is free of dust. The tempered glass uses high-quality AB adhesive, which has higher light transmission, good exhaust, and no bubbles. If small dust is found after using, just tear off the tempered glass, use a sticker to gently stick the dust off the tempered glass, and then re-attach it.[9H Reinforced Anti-Shatter/Scratch] using imported high aluminosilicate glass, screen protector for iphone 13 pro max undergoes a tempering process of electroplating plasma exchange, and undergoes a strict polishing treatment for up to 12 hours to truly improve the performance of the glass. Scratch 10 cycles on the surface with a 1KG sharp knife without obvious scratches. Provides more than 3 times the impact resistance of tempered glass, effectively protecting the phone screen from impact.[High Quality Oleophobic Layer] The coating on the surface of the tempered glass is smooth and able to drip into water. It is very effective for both anti-oil and anti-fingerprint. The traces of oil-based pens are easy to wipe off, and the life of the plated anti-finger oil is able to be as long as 1 year.[Design for IPhone 13 Pro Max Cases] The tempered glass screen protector only covers the flat part of the screen, leaving a curved edge to better fit your phone case. There will not be a conflict between the tempered glass and the phone case where the edge of the tempered glass comes off the screen.