A4 paper size (ISO 216)
A4 paper under ISO 216 measures 210 × 297 mm (https://en.wikipedia.org/wiki/Paper_size#A_series), widely adopted internationally for office printing and standardized document formats.
A4 paper under ISO 216 measures 210 × 297 mm (https://en.wikipedia.org/wiki/Paper_size#A_series), widely adopted internationally for office printing and standardized document formats.