When you need to stand out with bold, high-impact color in a durable cover weight, Astrobrights Colored Card Stock is a brilliant choice. It's thick enough to stand up to frequent handling & the rigors of postal machines, yet it's smooth enough to work with inkjet & laser printers. Since this unique colored paper is highly saturated, it offers a bright background for your creativity to come to life. Easily create dazzling postcards, booklet covers, presentation bindings & paper crafts. Brighter colors. Brighter ideas. Can't decide on just one high-impact color? with the Astrobrights “Primary” Assortment, you don't have to. In each pack, you'll get five, single, solid colors. Get ready for your most creative ideas to really take off when you pair it with Astrobrights Color Paper for a unified & consistent look to your project, or pair it with other Astrobrights Colors or Neenah Bright White Card Stock for a bold, brilliant impact. According to studies conducted by the American Paper Institute & the Color Marketing Group, color increases written information retention by 18 percent, improves readership by as much as 40 percent; & for direct mail, color increases response rates by up to 20 percent. Sheet / Roll Size: 8.5 x 11; Paper Basis Weight (lb): 65 lb Cover; Paper Grade (gsm): 176 gsm; Paper / Media Color(s): Assorted Primary Colors.