This paper will provide you with the best value per print. Excellent for everyday use This 20 lb. Premium bond is your media of choice for high volume plotting, printing and duplicating. This paper will provide you with the best value per print. Excellent for everyday use and ideal for printing CAD and engineering drafts. The bright white base provides high contrast and the surface finish is optimized for all Laser, LED and xerographic plotters and duplicators. BEST PRINTING: Remember to always print on the preferred side of the media. The preferred side is always on the outside of the roll unless otherwise noted. Handle print media by the edges to prevent dirt and oils from contaminating the print area. Best results are achieved when operating at 65-85 degrees Fahrenheit; STORAGE: Always store inkjet media in a cool dry area. If storage conditions vary from printing conditions, allow the product to adjust before beginning to print. ARCHIVING: 20Lb Inkjet Bond is a wood pulp product and is not suitable for long term archival Purposes.SPECIFICATION:Properties: 20 Lb /75gsmOpacity: 85%Brightness: 92Core size is 3.0