This 24 x 100′ roll of Universal Heavyweight Coated Paper from HP is a specialty large format paper designed for use with latex printers as well as standard inks and printheads. It is meant for display purposes and features a 172 gsm basis weight with a 6.8 mil thickness. Also it has an opacity of 90% a brightness of 95% and a whiteness of 130%. The paper has a matte surface finish and is instant drying for handling shortly after printing. Also the paper is recyclable and comes on a 2 core. General specifications: Basis Weight: 172 gsm Thickness: 6.8 mil (172 microns) Opacity: 90% Brightness: 95% Whiteness: 130% Finish: Matte Drying Time: Immediate Shelf Life: 2 years unopened Operating Conditions: Temperature: 59 to 86?F (15 to 30?C) Storage Conditions: Temperature: 41 to 104?F (5 to 40?C) Core Size: 2 (5.1 cm) Size: 24 x 100′ (61.0 cm x 30.5 m)