40 Hour Heat Pack - 1 Pack

small pet shipping warmers for keeping fish and others warm in transport.

*Designed for reliable and steady heat release for 40 hours

*Simple to use and deliver optimal results with colour indicator the warmer and easy to use instructions on the package

*Excellent for shipping live insects, reptiles, tropical fish, flowers, etc

*Provides an average warmer surface temperature of 38 degree Celsius

*Environmentally safe