Whitelines A4 Isometric Notepad, 30/30 (WL96 3D30/30A4) Glue binding with a soft folder like cover to protect your sketches and drawings Isometric lines designed to assist with 3D shapes and designs Glue bound in portrait format When reproduced the lines disappear leaving only your sketch or writing A4 size is approximately 11.69 x 8.27 inches