Those aren't the ones people use.
Hand warmers get way hotter then the one sold for shipping use.
Check on kensfish.com
They sell different hours at different prices.
Make sure you wrap your heat packs up. You never want a heat pack to touch what your shipping or you'll kill the it.
-Sent from my Samsung Note, a "Phablet"
Hand warmers get way hotter then the one sold for shipping use.
Check on kensfish.com
They sell different hours at different prices.
Make sure you wrap your heat packs up. You never want a heat pack to touch what your shipping or you'll kill the it.
-Sent from my Samsung Note, a "Phablet"