This recall involves  OCOOPA-branded rechargeable lithium-ion battery hand warmers, models UT3053, UT3056, ZLS-118, ZLS-118S, ZLS-118D, H01 and H01(PD.) 

The lithium-ion battery in the recalled hand warmers can overheat and ignite, posing a risk of serious injury or death from fire and burn hazards.

Find More Information here,  https://recalls-rappels.canada.ca/en/alert-recall/ocoopa-rechargeable-hand-warmers-recalled-due-fire-hazard