Cinema posters, playbills and photo envelopes are available in different sizes, which may vary according to countries and local printing practices. Below I'll give you a general overview of the most common sizes used for these promotional materials in the film industry.
posters
1. Single sheet (One Sheet): It is the most common format for cinema posters. It generally measures 27x41 inches (68.6x104.1 cm) in the US, while in Europe it is usually 27x39 inches (68.6x99 cm).
2. Two Sheet: It measures 41x54 inches (104.1x137.2 cm) in the United States, and is usually made up of two sheets glued together.
3. Three Sheet: Consists of three joined sheets and measures approximately 41x81 inches (104.1x205.7cm) in the US.
4. Four Sheet: This format consists of four joined sheets, measuring approximately 81x81 inches (205.7x205.7 cm) in the United States.
5. Six Sheet: It consists of six sheets joined together and can measure approximately 81x81 inches (205.7x205.7cm) in the United States.
Playbills
1. Standard poster: It is usually smaller in size than posters, commonly measuring 11x17 inches (27.9x43.2cm) in the US and 13x28cm in Europe.
2. French poster (Large): It is larger than standard poster and usually measures 47x63cm (18.5x24.8 inch) in Europe.
3. Italian poster: It is similar in size to the French poster and usually measures 39x55cm (15.4x21.7 inches) in Italy.
photo envelopes
1. Italian photo album: This is a promotional photograph of the film, usually in landscape format, measuring approximately 18x26cm (7x10 inches) in Italy. Often several photo sleeves are printed for the same film, each with different images and scenes.
2. Spanish photo envelope: Similar to the Italian photo envelope, but with slightly different dimensions. It usually measures 24x33cm (9.4x13 inches) in Spain.
These dimensions are only general guidelines and may vary depending on the film production, country and era in which they were made.