For iPhone 15 NILLKIN Chang Series Tempered Glass Protective Film1. Ultra thin. After applying the film, you don't need to worry about whether the phone's response will slow down. 2. High hardness. This tempered glass film has high hardness, so it can effectively and continuously prevent itself from being scratched or broken into pieces. If broken, tempered glass will break into small, non sharp pieces, making it safer for users. 3. High definition. The film has high light transmittance, giving you a high