Astrobrights Paper in this 25-color set grabs your attention and makes a bold statement so it is the perfect choice for direct mail, announcements, invitations and bulletin boards. Bold, deeply saturated colors make your creations brighter and more fun. Acid-free, lignin-free, 24 lb. paper with a smooth finish runs well in laser printers, inkjet printers and copiers. It works well with black and dark pigment inks. It performs amazingly well with a variety of print techniques, unique folds, die-cuts and other paper combinations. Spectrum colors include Lift-Off Lemon, Solar Yellow, Galaxy Gold, Cosmic Orange, Solar White, Pulsar Pink, Plasma Pink, Rocket Red, Re-Entry Red, Orbit Orange, Fireball Fuchsia, Outrageous Orchid, Planetary Purple, Gravity Grape, Venus Violet, Gamma Green, Terrestrial Teal, Lunar Blue, Celestial Blue, Blast-Off Blue, Martian Green, Terra Green, Vulcan Green, Stardust White and Eclipse Black.