Top Notch Blank Index Cards in brite assorted colors. Bring some color into flashcard drills, notes, and other school and craft activities with these bright neon-colored index cards. Five assorted colors: pink, green, orange, blue and yellow. Acid free and lignin free. Made in the USA. Index cards measures 3" x 5". Each individual pack contains 100 Index Cards, Bundle of 10 packs, 1000 Index Cards total.