Measures 8.5 x 11 inches (letter size) and made from heavy weight 100lb Cover Cardstock (270 GSM). It is an ideal addition to any office or school supplies. Excellent use for art projects, posters, restaurant menus, report covers, brochures, signage, business marketing, etc. Has a double-sided white and smooth finish surface and 98 brightness rating that's perfect for designing eye-catching presentations and making your artsy designs pop. It holds colors well and delivers rich, vibrant colors and sharp, flawless images. 50 sheets of acid-free and lignin-free cardstock that won't turn yellow and brittle over time and preserves your documents, arts and print works. This sturdy paper is also made with SFI wood fibers. NOTE: This stock is very thick. It is mostly compatible with Inkjet, Laser, and multi-function printers and copiers but please consult your printer's manual before ordering to make sure it can handle 100lb cover (270gsm) cardstock.