• Made of durable fabric, this pen holder is durable and perfect for a variety of hardcover books. • Measures 17 cm long and 4.5 cm wide, with a rear elastic strap that allows for easy adjustment. • The holder can hold 1 thick pen or 2 regular-sized pens, ensuring you always have a pen on hand. • Made of elastic nylon, its elasticity is excellent and it adjusts easily. • Compatible with notebooks and books in both vertical and horizontal positions, it is sturdy and easy to carry with your journal or hardcover tablet. • An ideal gift for planners, students, teachers, researchers, and anyone who loves reading, taking notes, and writing.