Notebook Emotions Miquelrius, A4 format (210 x 297 mm). Cover: 0.8 mm opaque polypropylene, light and resistant. Spiral: Continuous metal allowing the notebook to open flat, as well as complete rotation, and with a COIL-LOCK closure that prevents snags. Inner paper: Extra opaque 90 g/m², prevents ink from bleeding through and dries quickly. Sheets: 80 sheets with a color strip on the side, ideal for organizing notes and using a color for each subject; heading for titles; microperforated for a clean separation and 4 perforations for filing. Inner printing: 5 x 5 mm grid.