This product consists of two 15" by 12" by 1" insulation pieces and two 7.5" by 12" by 1" insulation pieces. This is Pink Panther insulation, and has a R value of 5.0. It is wrapped in construction paper to prevent damage. This foam is also great for using in crafts. This foam is moisture resistant XPS insulation. Notice, the non-thickness dimensions are plus or minus a quarter of an inch.