Van, Cold or Hand Warmer Hot Pack with a Choice of Colour Gels, Supplied in a Poly Bag with Instruction Sheet. Hot Compress: After Bendy the Trigger, It Warms Up & Holds Heat for About 20 Minutes. It Returns to Its Initial Position After Boiling in the Water. Can be Used Multiple Times. Cold Compress is Suitable for Cooling Down Different Areas of the Body. the Compress Should be Placed in the Cold to Cool Down. Can be Used Multiple Times. Minimum Quantities Apply.