0.26mm 9H 2.5D Tempered Glass Film for Galaxy M301. Ultra thin and excellent flexibility. You do not need to worry whether the reflexes of your pocophone F1 phone would slow down after pasting the film at all. 2. High hardness. This tempered glass screen film has a high hardness, so it can prevent itself from being scratched or broken into pieces effectively and continually. If broken, the tempered glass will break into small pieces that are not sharp, making it safer for users. 3. High definition.