This is a pen case made from a single layer of laminated fabric. It has a rubber band on the back, so you can attach it to your notebook. The size is designed to fit a B6-sized notebook. It has a pocket where you can put pens and rulers. It can hold about 3 pens. ⚫︎ Laminated fabric (no lining) ⚫︎ YKK 18cm ball-pull zipper (gold hardware) 【Size】 Length: Approximately 5cm Width: Approximately 18.5cm ★ The 6th image and onwards are size reference images. ★ This is a handmade item, so it is not as perfect as a commercially available product. ★ There may be slight variations in size. ★ Please note that laminated fabric cannot be ironed, so there may be wrinkles when turning it inside out. Thank you for your understanding. #drops_handmade_pen case Pen case, slim pen case, pencil case, with pocket, stationery holder, stationery case, writing instruments, cat, handwritten style, light blue, with rubber band, with elastic band, for notebook, leopard print, animal print, leopard pattern, brown, beige