LotFancy Hot Hand Warmer, 20 Pair (40 Warmers), Odorless Air Activated Warmers, Up to 10 Hours of Heat

LotFancy hot hand warmers are air-activated, easy-to-use. Provides soothing warmth up to 9-10 hours. Whether you are holding outdoor events, watching sports, walking dogs, camping, working in the yard, or working in cold temperatures, or just tend to have cold fingers in the winter, LotFancy heat packs are for you.

• Air-activated, long-lasting heat.
• Bring instant heat to your hands.
• Up to 10 hours of soothing warmth.
• TSA approved & odorless.
• Great gift for winter months.
• Notice: Heating time varies with exposure level and surrounding temperature.
• Portable size of 3.7” x 2.1”
• Each bulk pack contains 2-packs, 40 total warmers; 
  
  
• Use tips:
  Remove warmer from outer package
  Place in pockets or gloves.
  Warmer reaches full heat in 15-30 minutes
  If heat decreases, expose warmer to air, it will heat up again.
  
  
• Caution:
  1.Do not use while sleeping.
  2.Except for hands, do not attach warmers directly to skin.
  3.DO NOT microwave or use with other heating devices.
  4.Stop use if overheating, swelling or blisters occur during use.
  5.Do not open package prior to use.
  6.Do not open, tear or puncture the warmer pack.
  7.Not for people who are less sensitive to temperature, like diabetic, pregnant women, elderly, toddlers & infants.
  8.Child use must be under adult supervision.