Your favorite Miquelrius Notebooks just got greener! Miquelrius Recyled Spiral Notebook, 4-Subject Graph paper are made from 100% genuine PCW (Post-consumer Waste) paper. PCW indicates material that is collected from end-users and recycled. Its production process respects the environment and it is committed with the quality. Notebook features signature Miquelrius paper colored sections with 140 sheets of paper - 35 sheets of blue, red, orange, and green, perforated for easy tearing, opaque polypropylene cover - 45% recovered polypropylene & 17% recycled black pigment and the paper stock are Premium Paper (80 gr/m2) high level of whiteness/clarity, opacity and smoothness. Furthermore, the pages are ruled with horizontal lines and has 2 holes. The paper bands are made from 100% recycled 250 gr cardboard and the manufacturing plant uses biodegradable soaps and chlorine-free bleaches, uses natural resources effectively, re-uses and recycles water, diverts up to 180,000 tonnes of waste paper from landfill every year.