For projects that are out-of-this-world, Astrobrights color paper, in "Brights" 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. Since it's 20% thicker than standard paper, you can achieve bleed-free results for single and double-sided documents. Display and store your creations with confidence, as 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. Sheet/Roll Size: 8.5 x 11; Paper Basis Weight (lb): 24 lb Bond; Paper Grade (gsm): 89 gsm; Paper/Media Color(s): Assorted Bright Colors.