Utility CDX grade plywood available in two different sizes. 52 x 45 x 1/2 and 52 x 38 1/2 x 1/2. Most of it is half inch thick there are some thinner sheets mixed in. They are beveled on all 4 corners. Plywood is NOT GREEN TREATED. These sheets work great for large or small projects around the home and farm or business. They can be used for insulating pole barns garages, sheds, building dividers, livestock shelters, chicken coops. They work great as slip sheets between pallets of product or stacking totes.