Our round shape heat pack is a soft, lightweight pouch which begins to activate and
generate its own heat when exposed to the air. They can be used any time you
need instant warmth and are especially great for skiers, hunters, winter sportsmen,
kids and emergencies. Heat packs are safe for children, completely nontoxic
and totally safe with proper supervision. 

Specifications: 
1) Active ingredients: iron powder, water, activated carbon, cellulose, salt 
2) Weight: 18g ± 2g 
3) Heating duration: 8h 
4) Max. temperature: 62°C
5) Avg. temperature: 52°C 

Inner packing: 
Inner bag diameter: 90mm
Outer bag size: 115 x 115mm ± 5mm

Outer packing: 
500pcs/ctn
Carton dimensions: 50.5 x 35.5 x 18.5cm 
Weight: 9kg