Paper Color: White Index Cards 100 sheets of 100# white index Polywrapped pack Ruled one side Sheet Size: 3" x 5" Find a million uses for these handy index cards. Produced with smooth 100# white index paper, the cards are lined on one side with horizontal blue lines and a top red header line. The cards are 3″ x 5″, and there are 100 cards per polywrapped package. Made in India.