Top Notch Teacher Products Brite Color Peel and Stick Pockets are great for classrooms and student activities. Perfect for file folder games, hands-on manipulatives, behavior charts and more! Use Matching 3 X 5 Index Cards For Color Coordination! Made of sturdy paper stock, these pockets ensure durability. Acid and Lignin Free. Repositionable. Made in the USA. Pockets measure 3.5" x 5". Each individual pack contains 25 Pockets, Bundle of 6 packs, 150 Pockets total.