The US and Canada have different standards for infant life jackets.
The United States Coast Guard (USCG) regulations include an infant life jacket for users with a weightless than or equal to 33 lbs. For more information on US Infant life jacket standards, please visit www.uscgboating.org.
In Canada, approved life jackets and PFDs are not available for infants who weigh less than 20 lbs. For the Canadian Coast Guard's web page outlining the fitting of life jackets for children and infants, please visit www.ccg-gcc.gc.ca.
You can find additional information on infant life jacket standards by contacting the Office of Boating Safety information line at 1-800-267-6687 or emailing firstname.lastname@example.org.