There is a recall on Model MD315 and MD318 life-jackets. www.mustangsurvival.com/advisories.
Sorry bad link. Here is a working link. http://www.mustangsurvival.com/advisories?country=25
The recall has also expanded:
If you have purchased any of the models of inflatable PFDs listed below from September 2014 onwards, please click the corresponding link below for important recall information.
Canada: MD3153, MD3154 or MD3157: English Advisory Notice & FAQs | French Advisory Notice & FAQs
USA: MD3183, MD3184 or MD3188: US Advisory Notice & FAQs