... absorption panel,acoustic panel:Veneer-melamine, fireproof panel, natural wood color veneer, we offer color chart f wooden sound absorption panel specification ... thickness is 15mm or 18mm.Veneer-melamine, fireproof panel, natural wood color veneer, we offer color ... length: 2440mm or custom sizeMakeup: each panel is inserted to the other panel's groove. wooden sound absorption panel,acoustic panel