40 Hour Heat Packs - 50 Pack

• 

UniHeat 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

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