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Wholesale Disposable Self-Heating Hand Warmers
Product name: self-heating hand warmer
Active: Air-activated
Heating duration time: 8-10 hours
Heating up time: 5 minutes
Material: Premium iron, water, activated carbon, vermiculite mineral, super absorbent polymer, and salt.
Packaging bag: Custom packaing bag
Box: Custom box
OEM/ODM: Available
Price: Factory price
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