• An Eco-Responsible product. • 450 GSM cardboard cover with 60 pages 144 GSM ruled stone paper. • Metal dual-ring binding and elastic pen loop. • Stone paper is a revolutionary paper product made from calcium carbonate powder – 100% tree free, anti-static, acid free, no grain direction, water resistant, grease resistant, tear resistant and insect resistant. • Includes the PL-1618 Eco-Green Paper Barrel Pen in black – a click action ballpoint pen with natural, recyclable paper barrel. • Ink Cartridge: Black, medium-point