Exhibit 3.16

State of Delaware

Secretary of State

Division of Corporations

Delivered 09:00 AM 11/14/2005

FILED 08:55 AM 11/14/2005

SRV 050922983 – 4059939 FILE

CERTIFICATE OF FORMATION

OF

LIMITED LIABILITY COMPANY

FIRST. The name of the limited liability company is:

PBM CHINA HOLDINGS, LLC

SECOND. The address of its registered office in the State of Delaware is 2711 Centerville Road, Suite 400 in the City of Wilmington. The name of its Registered Agent at such address is Corporation Service Company.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation on this 14th day of November, 2005.

/s/ Lynn CanneLongo

Lynn CanneLongo

Authorized Person