Library Book Pocket/Book Card Combo Pack -100ea/Pkg Perfect for keeping track of your loaned books and other media Deep, low back book pockets measure 4-1/2" H x 3-1/2" W and hold a standard-width 3 x 5" book card Pockets are self-adhesive and reinforced to resist tears even on heavily circulated items Book cards have space for date due and borrower's name, plus lines for author and title and are printed on both sides 100 cards and 100 Pockets per package