Better than glass: doesn't break, doesn't splinter (no real glass, no tempered glass) | Plastic bullet-proof glass with 9H hardness (300g) and anti-shock coating (shock-absorbing bullet-proof foil) | 10 years manufacturer's guarantee - branded product made in Germany | anti-reflective (matte) & dirt-repellent, approx. 0.2mm thin, oil and grease-proof anti-fingerprint coating | Fits perfectly to a Umidigi Z2 (deliberately smaller than the screen as it is convex), bubble-free and can be removed at any time without leaving residue (without adhesive).