For projects that are out-of-this-world, Astrobrights color paper, in “Eco" 5-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.