Main features ofanti-shock screen protector for samsung s4 :1. Screenguard are made of high quality PET material ;2. Ultra thin , durableand and eliminating 98% of the reflected light,3 Introducing high technology of coating,Hard surface coated reaches 5 H4 Anti-shock, Anti- Scratch, Anti-Dust, Anti-Grease and warerproof;5. Leave no residue when removed , no bubble;6. Quickly and easily adhere directly to screen;7.Safe to environment and hardless to human , With EC Certification, ROHS approved;anti-shock screen protector for samsung s4 notice. The samples can be provided free for youHuitong Factroy’s Advantage1. Huitong factory has covered of the market 98% models , every day update models very fast2. Screen protectos’size are according to the real phones, perfect size.3.toleranceis +0,-0.2mm4. Productions capacity is 300 thousand pcs /day5.Protective film raw materials which conform to the national standard environmental requirements, have SGS report, the raw material characteristics proof, and through the ROHS authentication, quality goods , please rest assured use6.Factory independent clean workshop, factory specializing in the production and can meet the customers' various demands7. Welcome various types of OEM and ODM orders8.Sincerely providing best service , providing free samples and delivery time is very fast.Clients visit :Please feel free to contact us !