library cards with pockets for books, adhesive pouches for checkout kit (set of 100) best paper greetings these library book pouches and cards are the perfect solution for librarians to organize their book checkout system. this set of adhesive library pockets and double-sided due date cards help students and library members keep track of borrowed books. simply secure the pocket to the inside cover of a book using the self-adhesive strip, and then slip the due date index card into the pocket. each 3x5 white card reads “author,” “title,” “due date,” and “borrower’s name”. you’ll receive 100 book sleeves and 100 cards in this set of library supplies.