Chalkboards - 4'Hx4'W, Green

Perma-steel, green, glass-like porcelain enamel fused to 28 gauge steel to withstand all climatic conditions, vitreous porcelain is permanently fused to steel at high temperatures, mounted to 1/2" fiber board, with foil back, complete with aluminum trim eraser tray and mounting hardware. Qualifying Standard: Nelson Adams, AARCO.