... use after pre-cooling or pre-heating treatments.4.size,weight,materialIndications:cold compress:headache,fever,toothache,sunstroke,scald,muscle scuffing ... hot packs,· instant cold/hot packs,· magic click hand warmers,· gel eye masks,· facial masks,· cool scarf/belts,· bottle coolers,· ice ... office: 3.Our Cleaning Workshop: 3.Our Beautiful Sampleroom: cooling soft gel pack