Seeing your library card sleeves filled with signatures is one of my most favorite things! It fills my heart knowing that I was able to create something special that will bring Amazon.com : 100 Pack Library Card Pockets Self Adhesive for Book Checkouts, CDs, DVDs, Classroom Supplies (3.5 x 4.5 in) : Office Products Set of Old Library Cards from the 1980s Stock Photo Image of retro, dates: 165032444 RFID Blocking Credit Card Sleeves Leather Look 8 Pack Clispeed 10 PCS Self Adhesive Card Pockets Top Load Clear Sleeves For Index Cards, Photos & Business Cards Amazon.com : Roowest 120 Pack Vintage Library Card Pockets Self Adhesive Library Checkout Index Cards Due Date Card for Record Keeping for Classroom School Office Public Libraries Books, 3 x 5 Inch(Books) :