With CE, SGS, ISO, TEST REPORT Max tem:63 degree Heat duration time :8 h Size: 100mm* 70mm Portable warmer pad for winter Portable warmer pad for winter1.With CE, SGS And ISO TEST REPORT .2.We have built GMP production environment .3.Got the reputation " Shanghai world Expo the business honor " from Bureau of Shanghai World Expo.Designed for healthcare and warmth-keeping,skiers, hunters, ...