Strathmore 400 Series Gray Scale Pad

Ideal for value studies, this heavyweight pad contains three sheets each of white, black, and three shades of gray, a total of 15 sheets in all. Each 15-sheet pad is tape-bound on the short side.
With a medium-tooth surface on both sides, this 80 lb. (216 gsm), acid-free paper is ideal for charcoal, chalk, artist crayons, or pastels.
Glue bound pads have flip over covers that make it easy to work with the pad.