Miquel Rius is a family company dedicated to the design, production and distribution of high quality stationery products. They look after the environment by manufacturing sustainable and high quality products. The notebooks feature extra opaque, heavyweight paper with optimal writing smoothness. All books feature printed colored lines and the multi-subject notebooks have colored margins. These books quickly become a favorite for all who try them. 11" x 8.5" Four subject notebook with recycled cardboard cover and eco-friendly spiral. Unique design helps organize your work, books contains 30 of each color maroon, blue, gray and turquoise color page edges and lines to mark and separate each subject. Extra-opaque heavyweight lined paper resists ink bleed. Sheets are micro-perforated & 3-hole punched. Designed and manufactured in Spain