INDEX CARD SIZE - Small 3x5 Cards are perfect for use as flash cards for studying, chalkboard notecards, photo backing, & more HIGH THICKNESS - Made from a Heavy Duty 80lb Cover (216 gsm) Smooth Matte Paper with Solid Core UNIQUE STYLE - Write on these blank note cards with white or metallic colored markers for a unique style! MADE IN THE USA - Responsibly sourced and manufactured from start to finish in the USA for over 20 years! WHAT YOU GET - 50 Black Cards measuring 3" x 5" Black 3" x 5" Cardstock by Desktop Publishing Supplies is perfect for notecards, flashcards, or index cards for studying! This stock is made to the standard index card size of 3" x 5". It is made to an 80lb Cover weight for a nice heavy, thick, sturdy feeling- perfect for backing photos, invitations, or greeting cards. Write on it with white or metallic markers! Made responsibly in the USA from start to finish!