This Semikolon Patch Pocket is a self-adhesive expandable pocket you can add to an A5 notebook, giving you the option to store notes, receipts, and any other odds and ends you'd like to keep conveniently with your notebook. The pocket is designed to adhere to the endpaper inside the back cover of a notebook. It also features an elastic pen holder and an elastic to keep your notebook closed. The paper pocket has a textured finish with a matching gusset made from durable book linen.