The brightest and the best! Heavyweight card stock is ideal for color-coding, menus, posters and more. Guaranteed performance in laser and inkjet printers. Acid- and lignin-free. Paper Color(s): Assorted; Sheet Size: 8 1/2 x 11; Paper Weight: 65 lb.. Solar Yellow contains 30% Post Consumer Recycled Content. Acid-Free. This is not a problem. Please contact us. 2. Product **and other products made in Japan are not applicable. 3. Packaging and instructions are in English.