Blue Sky x One Tree Planted -24 Academic Sustainability Wall Calendar 2023

Made with bleach-free paper derived from stone, the Stone Paper Wall Calendar from Blue Sky is a great sustainable addition to your office or classroom. It contains no glue, acid, or lamination and is printed in dark soy-based ink that’s easy to read. The Stone Paper Wall Calendar has the super-smooth texture of polished stone, so be sure to use a standard ballpoint pen for the best writing experience.