The Ideapad 720s incorporates a larger 14-inch display compared to the outgoing 13.3-inch Ideapad 710s with narrower bezels and a new magnesium/aluminum design.
https://www.notebookcheck.net/Upcoming-Lenovo-Ideapad-720S-brings-narrow-bezels-to-a-13-inch-form-factor.221882.0.html