Introducing the Really Good Stuff Durable Book and Binder Holders - a must-have for any classroom! This 12-pack of sturdy holders is perfect for all your narrow or vertical storage needs. Each plastic book and folder organizer measures 5 ½" x 12 ½" x 7 ½" overall and tapers on the inside to 3 3/8 " x 10 ¼" each. Keep your books, magazines, folders, and files organized and easily accessible. Designed to withstand the demands of a busy classroom, these holders are built to last. They are made from high-quality materials, ensuring durability and long-lasting use. Create a clutter-free learning environment and promote classroom organization with these reliable holders. Say goodbye to messy shelves and hello to a neat and tidy classroom setup. Make teaching and learning more efficient with the Really Good Stuff Durable Book and Binder Holders.