Exact Vellum Bristol is perfect for all medium to heavyweight applicationsespecially direct mail, greeting cards and business reply cards. The semi-smooth finish is a favorite of paper crafters. Guaranteed performance in laser and inkjet printers. Acid-free for archival quality. Sheet/Roll Size: 8.5 x 11 Paper Basis Weight lb: 67 lb Paper Grade gsm: 147 gsm Paper/Media Colors: Yellow.