Use both sides! Revolutionary no show thru paper allows you to use 100% of your paper. No bleed through. No tearing out the page underneath. No more limitations on what types of media to work with. Use with everything from graphite to marker. Acid and lignin-free. Heavyweight white paper 110 lb.Hardbound sketchbook with 48 sheets. 5 1/2" x 8 1/2".