The Jumbo Book Sox Stretchable Fabric Book Cover by Book Sox is a colorful and durable cover designed to protect and decorate your books. Made of stretchable fabric material, this jumbo-sized book cover measures 9" x 11", providing ample coverage for larger books. The multicolor rainbow print adds a fun and vibrant touch to your reading materials, making it both practical and stylish for book lovers looking to add a pop of color to their library.