Keep your writing utensils securely in place as you move from class to class by using the TUL Discbound Notebook Pen Loop Holders. Each loop is made from stretchy elastic to hold a writing utensil, act as a bookmark or help you organize sheets within your notebook. Durable elastic pen holders are designed to keep your writing instruments secure within your notebook. Each loop can hold 1 pen at a time. Versatile design can also act as a bookmark or help your papers stay organized. Letter-size and junior-size loops are ideal for your various notebook sizes.