UniHeat Packs (Shipping Warmers)

UniHeat 72 Hour Heat Packs (Shipping Warmers) If you know your local temperatures are going to be too cold for shipping plants these are great to add to your order to ensure their safety.  Provides essential heat for shipping live animals, plants and other temperature sensitive products. Best for 1-2 Day Express Shipping Steady heat maintained for prolonged duration; 72+ hours 72 hour heat packs activate slowly (1-2 hours) and reach their peak temperature in approximately 24 hours Produces an average temperature of 100°F in a standard 1.5' cu. ft. shipping container Multiple packs can be used for larger spaces Simple to use - Activates when removed from the plastic outer packaging and exposed to air Environmentally safe, non-toxic, non-flammable, dispose with regular garbage Size and Weight: 6.89" x 5.35" x 0.5" inches - 8 ounces