◆ STEEL Original Brand authorization Authentic ◆ electrostatic adsorption design， touch-sensitive without leaving adhesive residue ◆ water repellent oleophobic good clean， isolated greasy fingerprints dust ◆ anti-scratch wear antistatic， professional matte coating technology product features ◆ antistatic antistatic adsorption ─ multi-level design， easy adhesion without leaving adhesive residue ◆ hydrophobic oil ─ set aside water oleophobic properties can cut off the oil， all without leaving a fingerprint dust ◆ anti-abrading ─ special high-performance coating technology treatment， anti-static scratch wear good cleaning