These library dividers make keeping your classroom library, subject areas, and bookshelves organized. Place between books to categorize by subject areas, genres, authors, and more! Ideal for ensuring borrowed books are reshelved correctly. These dividers are double-sided, so they’re easy for students to see and reference. Plus, the wipeable surface means these versatile dividers can be used again and again for labeling, organization, and more.Total pieces include 5 dividers in each bright color: red, orange, yellow, green, blue, and purple. Each divider measures 3" x 11-3/4".