100 SUPER THICK index cards / 4"x6" / 14pt (0.014") 100lb / blank un-ruled / 97 white/note-cards post-cards flash-cards/extra heavy-weight duty, acid-free, 4 X 6 card stock FREE SAMPLES Amazon.com/seller/NorstromDumati click "ASK A QUESTION" button, leave name and address $2.00+ OFF ALL additional 100 packs you order after the 1st, any sizes, any quantity, only 100 packs 100lb 14pt (point) 0.014" thick, acid free archival quality, 97 bright white card stock. Made in USA Uncoated smooth surface absorbs gel-ballpoint-pen ink, watercolor, marker, inkjet inks, highlighters USPS approved thickness for postcards. Request free samples to try with your printer.