The UST Reusable Hand Warmer 4pk is a pack of four temporary warming tools for when you need an extra heat source whether you’re at home or out in the elements. It is environmentally friendly and can be used again and again, so say goodbye to the one-use disposable things you’ve been using before.

Features:

• 4 reusable hand warmers
• Heats up to 54° C in just 15 seconds
• Provides heat for up to 2 hours
• Environmentally friendly
• Sodium acetate and water are activated by bending a metal disk inside the pouch
• When heat runs out, warmer can be rejuventated with boiling water

How to use:

• Press metal button on the disc hand warmer until it clicks and liquid starts to crystallize
• Massage hand warmer until completely crystallized
• Apply hand warmer to desired area
• Insulate hand warmer in a towel or clother material for longer lasting heat

How to recharge:

• Bring pot of water to a rolling boil, then lower heat to a slow simmer
• Carefully place hand warmer in simmering water
• Keep hand warmer in simmering water until crystals completey dissolve & liquid turns clear (approx. 15 minutes)
• Carefully remove hand warmer and allow to cool to room temperature before use
• If heat pack re-crystalizes after boiling, re-boil until crystals completely dissove

Warning:

• CAUTION: DO NOT MICROWAVE
• Contents hot after boiling/recharging
• Allow to cool to room temperature before handling or reactivating
• Do not puncture or open pouch
• Do not ingest liquid contents
• Avoid freezing