... 200g Size: 20.5 x 15.5 cm Instant Hot Cold Pack:Specification:Size:20.5cm x 15. ... Nylon Fabric Usage:Cold compress: put the cold/hot bag into freezer to be refrige for half ... hemorrhage, heatstroke, itch, headache, stain, scald , fatigues.Hot compress: alleviate rheumatic pain, neural pain, sciatica,vertebral, pain ... one eats the content by mistake , he must drink enough water, try his best to vomit it ...