Superfine Printings White 100lb Card stock is a bright white that offers rich color reproduction, superior image quality and excellent opacity without the cost of a premium paper. Its dependable performance ensures a trouble-free run so you can focus on creating a superior printed piece. 50 sheets per pack. Basic Opaque Paper-Papers - WHITE CARD STOCK, Card Stock and Envelopes are a great, cost-effective solution for everyday projects. Perfect choice for social and business projects from small to large. Acid Free Letter Size Card Stock Brightness: 96. Paper Color: White. Size: 8-1/2-x-14 Content: 10% Recycled Finish: Smooth Basis Weight: 270 GSM (100lb Cover)