Astrobrights-colored cardstock paper adds bright, bold colors to any party decorations, scrapbooks, school projects and more. Set of postcards includes five sheets of the following colors: Pulsar Pink, Cosmic Orange, Solar Yellow, Terra Green and Lunar Blue. Made with carefully spaced perforations, these cards are easy to separate and do not leave any jagged or frayed edges. Each card measures 4-1/4" x 5-1/2" and are also compatible with both laser and inkjet printers. Print on both sides of the sheet to create stunning double-sided card designs that truly stand out. Whether you're starting with your own design or creating an idea from scratch, Avery Design and Print makes it simple to make personalized cards from your office or your home. The free online Avery software includes all of the tools you need to design flash cards, index cards, postcards and more. Each sheet includes four cards.