Our tow warmer 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: 15g ± 2g 
3) Heating duration: 8hrs 
4) Max. temperature: 45°C 
5) Avg. temperature: 37°C

Inner packing: 
Inner bag size : 90 x 70mm ± 5
Outer bag size: 120 x 90mm ± 5  

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