Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of
our report dated March 2, 2007 relating to the financial statements and financial statement
schedule, managements assessment of the effectiveness of internal controls over financial
reporting and the effectiveness of internal control over financial reporting, which appears in
Graphic Packaging Corporations Annual Report on Form 10-K for the year ended December 31, 2006.
We also consent to the reference to us under the heading Experts in such Registration Statement.
/s/PricewaterhouseCoopers
LLP
PricewaterhouseCoopers LLP
Atlanta, Georgia
August 30, 2007