Twin Wall Plastic Sheets are made from a very durable fluted polypropylene plastic and are lightweight, moisture, stain and tear resistant. They are commonly used in a myriad of applications ranging from hobby, craft and school projects to yard signs and pet cage partitions. These sheets are also used in construction applications such as surface protection and templates. Made of polypropylene plastic For use in a wide range of indoor and outdoor applications Lightweight, easy to handle, and can be easily cut using common tools 24 in. W x 36 in. L x .157 in. Thickness