Fits both A30s and A50 as the screen has the same size A screen protector with black edges to cover the entire screen except for the last 1-2 millimeters of the width as the glass is "case friendly" this means you can wear a cover without the glass being pushed away when you presses on a shell.Tempered glass screen protector - 0.3 mm thin Attaches without glue or tapeExtreme light transmission: 96%Hardness 9HJapanese AGC glassA protective tempered glass provides very good protection for sensitive displays. The glass protects against fingerprints and scratches. The tempered glass is very transparent and provides a light transmission of up to 96%, in other words it lets through what is shown on the screen without darkening or changing. The protection is easily applied without bubbles. You don't even need glue or tape. The glass protector adheres to the phone's display electrostatically and can be removed without leaving any residue of glue or anything else.An alcohol wipe for cleaning is included in the package.ATTENTION! If the phone is dropped, the glass on the phone can crack even if this glass protector is applied. The glass protector protects against scratches, fingerprints and corresponding damage such as cards that rub against the display.