Hmmmmm…. That stuffs pretty neat!Or...
If you want to simply paint your box and want a nice smooth finish, you can try MDO.
What Is MDO Plywood? - Curtis Lumber & Plywood
What is MDO plywood? In this article we will explain what MDO Plywood actually is, how it is made, and how it can benefit your project.www.clp-inc.com
www.clp-inc.com/what-is-mdo-plywood/