Both the outer and lining fabrics use interfacing, giving the cover a firm feel. The tab closure uses a snap button for a secure close. It has a pocket, so you can store sticky notes and other small items. Product Size (when open) 31.5 x 19.5 cm Dictionary size used in the photo B6 size (Sanseido Elementary School Japanese Dictionary) This is a handmade item created as a hobby, so please understand that there may be some imperfections in the sewing or slight distortions. The dictionary is not included. This is a cover-only product. Many other dictionary covers are also available☆ #ElmonDictionaryCover Handmade