palm warmer,small hand warmer

It is disposable hand warmer which not be reused.
inside it is some iron powder, salt, activated carbon, water etc.
It will warm up over 5-10minutes later after opening the outer polybag.
This kind of hot packs (hand warmer) can be put into your cloth pockets, gloves, shoes to warm fingers, hands or feet.

single use mini hand warmer,heat pack,air activated hand warmer pocket warmer (single use )
material: iron powder,salt etc.
 Warmers Pocket Heaters

single use hand warmer,heat pack
material: iron powder,salt etc.
Hand Pocket Warmer Camping Hiking
mini hand warmer