Two-sided chart gives you multiple ways to organize data! One side has a two-column chart that lets you compare and contrast, sort or make a T-chart. The other side has a four-column chart that lets you sort and classify. Each side has nine display pockets measuring 2" high x 29¼" wide. Back-to-back charts are connected at the top by five sturdy grommets. A Velcro®-close pocket on the back of each chart provides card storage. Flame-retardant nylon chart measures 38" high x 30" wide.