| 摘要 |
<p>The present invention relates to a cover which comprises a front cover portion (1), a back cover portion (2), and an elastic strap band (3) being attached to the back cover portion (2), wherein the elastic strap band (3) is configured to be wrapped around the front cover portion (1) for keeping the cover (6) closed, the elastic strap band (3) is stretched at a predetermined stretching factor, when being wrapped around the front cover portion (1) for keeping the cover (6) closed, and the elastic strap band (3) is configured to be further stretched for releasing the front cover portion (1) so that the cover (6) can be opened. According to the invention, an image (4) is disposed on the elastic strap band (3) so as to be stretched with the elastic strap band (3), wherein the image (4) has a predetermined shape, when the elastic strap band (3) is stretched at the predetermined stretching factor and/or a movable member (7) is attached to the elastic strap band (3), wherein the movable member (7) is configured to be movable along the elastic strap band (3).</p> |
