Proven in military supply
Loyalty Hot Pack Large 160g is WINIST's flagship product, built with the same proven heating technology supplied to the Korean military since 2005. Its strong heat output — a maximum of 70°C and an average of 60°C, lasting 18 hours — gives dependable warmth even for outdoor activity in severe cold.
Overseas listing name WINIST Loyalty HOT Pack Large · the overseas listing is 150g, pack of 5 (previous specification) · up to 18 hours
Iron powder, activated carbon, salt, water-absorbing agent, vermiculite
Non-woven cover: nylon or PET
3 years from date of manufacture
KC safety declaration B683D5001-25003 (Loyalty Hot Pack, non-adhesive type)
Safety standard Annex 68 (warming packs) · Korean Agency for Technology and Standards (KATS) Notice No. 2017-032