Uniheat 40 Hour Heat Pack - 4 PACK
** Uniheat 40 Hour Heat Pack - 4 PACK **
Designed for reliable and steady heat for 30+ hours
Simple to use and deliver optimal results with color indicator on the warmer
Continuous warmth for cold weather shipping!
Excellent for shipping live insects, tropical fish, marine fish and live corals, flowers, etc.
Provides an average warmer surface temperature 100 degrees F (38 degrees C)
Environmentally safe, disposable, inner contents biodegradable.