A 3.75" thick panel manufactured out of 3" 100 ILD urethane and backed with a 3/4" thick exterior grade plywood. The panels are completely covered on all sides with our specially formulated vinyl knife coated material. A 2-clip system is used for attachment to allow for easy removal of panels. At an additional cost, the panels can also be customized with your school name and logo. This item is built to order and therefore is non-returnable.