High-quality Nano TPU Full Cover Film Provides a super smooth feeling Total transparency Daily scratches can Automatic repair Ultra-thin Anti-scratch & anti-explosion Self-recovery from scratches Leaves no residue when removed Attaches smoothly with self-adhering surface Easy to Install 1. High quality Nano TPU Full Cover Film Nano TPU is a cutting-edge material known for its exceptional flexibility, durability, and scratch resistance. It is also self-healing, which means that minor scratches and scuffs on the screen protector can automatically disappear over time.