HP 4-mil Double Matte Film, 3-in Core - 24in x 25ft - 86 Brightness - >41% Opacity - 24" (609.60 mm) x 25 ft (7.62 m) - 4.80 oz (136.08 g) Basis Weight - 152 g/m² Grammage - Matte - Durable, Smudge Resistant, Smear Resistant, Bleed Resistant, Tear Resistant, Recyclable, Quick Drying - White - 1