Recycled cardboard cover side spiral bound notebook. 68 leaves, 136 lined pages (120GSM) of paper made from stone/rock. Can be marked with metal objects as well as pens. Tough paper works in extreme conditions, water resistant, tear resistant, grease proof and anti bacterial. Recycled symbol die cut on cover. Paper made from recycled construction materials and plasticiser. Due to stone paper pages have a smoother surface than traditional notebook paper. Eco Credentials: Renewable, recyclable and biodegradable.