Heavy-weight 65lb (180 gsm) white cardstock paper perfect for professional printing and crafting needs, matte finish cover laser stock, good for duplex Printing. Package includes 100 sheets of thick cardstock paper for all your printing and crafting projects, Pack of 100 Sheets with 4 Cards per sheet (400 cards) White, 4-1/4" x 5-1/2" each card after perforated Card stock paper works seamlessly with both inkjet and laser printers for consistent, high-quality results. MICRO PERFORATED - No Cutting Required, Meet U.S. Postal, Standard size, each cover stock paper sheet measures 8.5 x 11 inches, Cover stock with bright white color and smooth surface provide excellent print quality and visual appeal.