For projects that are out-of-this-world, Astrobrights color paper, in “Spectrum" 25-color assortment, is the perfect choice Creative geniuses and novices, alike, can create vibrant flyers, brochures, school projects, signs, coupons, posters, and paper crafting And, since it's 20% thicker than standard paper, so you can achieve bleed-free results for single and double-sided documents Display and store your creations with confidence, each sheet is acid and lignin-free, so they won't Yellow over time Plus, this color copy paper saves money on pricey full-color ink Just add black ink brighter colors Brighter ideas