The Lumin Eucalyptus Plywood Overlay - 1220 x 2440 is harvested from fast-growing eucalyptus trees, so it's an ideal and sustainable solution for everything from construction and cabinetry to transportation and toys. Lumin panels feature proprietary-grade faces developed from TECO and IHPA . This plywood can be used in general construction, cabinetry/shelving, transportation, underlayment, factory & warehouse floors, door & door surfaces and furniture & packaging. The face is unsanded with open defects and knotholes uo to 38mm and open splits. The back is unsanded with open defects and knotholes up to 75mm and open splits limited open defects and knotholes up to 38mm. This plywood is EU/FSC certified.