Columns book. All the sheets are numbered, with 8-cm perforation hole and grip corner. The back cover features an attached writing support for better copies. In three languages (German/French/Italian). Signal colour dark blue. Print dark blue, white paper self-copy, 1. Dark blue perforated and numbered sheer, 2. White sheet. In three languages: German/French/Italian. White self-copy paper. Format: A4. 1. Perforated sheet. 50/50 sheets.