winter heat patch hand warmer hot pack warm bag high quality product

Product Description

Product details:

Materials: Iron Powder, Activated Carbon, Vermiculite, Salt, Water 

Size: 5.5cm x 9.5cm

Weight: 25 grams

Lasting Time: 8 hours

Maximum temperature: 63

Average temperature: 55

Characteristic: 

1.Hand warmer safety and no pollution.
2.No stimulus to skin.
3.Heating simple and no need outside energy.
4.Ultra thin ultra light,it's easy to carry and suitable for outdoor sports.
5.It has passed ISO 13485 and CE/SGS/MSDS certification.

Using method: 

 1.Tearing up the outer package.

 2.After shaking the hand warm pack,you can put into your coat pocket or keep on your hand.

 3.After use,take off it from the coat pocket and throw it into the trashbin.

 The quality guarantee period is for 3 year.