Savage 40" x 60" Muslin Style Silk Screened Rigid Paperboard, Sparta, Very Dark Browns. Panels are made of sturdy, Rigid Paperboard, silk screened to create the rich look of old world muslin. Panels are non-reflective, easily stored, and easily used where a muslin type of background is needed. Each Background Panel is individually packaged and protected with sturdy corrugation and reinforced corners for secure shipping.