Scratch resistant and durable
The product is a kind of special screen protector which designed for solving the screen abrasion caused by frequent writing & touching in daily life.
The hardness of it reaches 9H (like the hardness of rigid metal surface). Meanwhile, it ca also ensure the touch sensitive.
Scratch resistant carbon filter filling designed
It’s a kind of updated technology based on the 3rd generation of crystal scratch resistant (3 layers with carbon fiber filling). It has been tested repeatedly by 10000 times.