Hydrogel Film Features : Arc Edge: feel smooth, Ultra thin.HD Clear * 7.5H Hardness: even sharp objects such as knives and keys will not scratch the film, ultra durable. * Excellent window display: HD 99% optical transmittance, Unrivaled touch sensitivity. * Oleophobic coating: anti-fingerprint, anti-oil, anti-acid and anti-alkali and other contaminants. * Easy installation: We have attached the video showing how to install the Hydrogel film. * Explosion-proof shatter-resistant: Even if broken , it will not splash , much safer than other glass products. #hydrogel #film #protection #protector #Samsung Z Flip4 #flip3 #flip1