Exhibit 3.1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION

OF

NEENAH, INC.

ARTICLE I

The name of the corporation is Neenah, Inc. (the “Corporation”).

ARTICLE II

The Registered Office of the Corporation in the State of Delaware is located at 1209 Orange Street, in the City of Wilmington, County of New Castle, 19801. The registered agent at such address is The Corporation Trust Company.

ARTICLE III

The purpose of the Corporation is to engage in any lawful act or activity for which a corporation may be organized under the Delaware General Corporation Law, as the same exists or as may be hereafter amended from time to time.

ARTICLE IV

The total aggregate number of shares of capital stock which the Corporation shall have authority to issue is One Thousand (1000) shares of capital stock, all of which shall be designated “Common Stock” and have a par value of $0.01 per share.

ARTICLE V

The business and affairs of the Corporation shall be managed by or under the direction of the board of directors of the Corporation (the “Board”). Elections of directors need not be by written ballot unless otherwise provided in the Bylaws of the Corporation.

ARTICLE VI

(A) To the fullest extent permitted by the Delaware General Corporation Law, as the same exists or as may hereafter be amended, a director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach of fiduciary duty as a director. Notwithstanding the foregoing, a director shall be liable to the extent provided by applicable law (i) for breach of the director’s duty of loyalty to the Corporation or its stockholders; (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law; (iii) pursuant to Section 174 of the Delaware General Corporation Law; or (iv) for any transaction from which the director derived an improper personal benefit. If the Delaware General Corporation Law is amended to authorize corporate action further eliminating or limiting the personal liability of directors, then the liability of a director of the Corporation shall be eliminated or limited to the fullest extent permitted by the Delaware General Corporation Law, as so amended.

(B) Neither any amendment nor repeal of this Article VI, nor the adoption of any provision of the Corporation’s Certificate of Incorporation inconsistent with this Article VI, shall eliminate or reduce the effect of this Article VI in respect of any matter occurring, or any action or proceeding accruing or arising or that, but for this Article VI, would accrue or arise, prior to such amendment, repeal or adoption of an inconsistent provision.

ARTICLE VII

The Corporation reserves the right to amend, alter, change or repeal any provision contained in this Certificate of Incorporation in the manner now or hereafter prescribed by statute, and all rights conferred herein upon the Corporation’s stockholders, directors and officers are granted subject to this reservation.