UH  Uniheat 72 Hours
$1.95
UH Uni Heat 72 Hours Multi-purpose jumbo shipping warmer. Designed for reliable and steady heat release for 72 hours. Excellent for shipping live insects, reptiles, tropical fish, flowers, etc. Provides an average warmer surface temperature of 100 F. Ideal for priority mail or export shipments. They measure 7" X 5" in size.