... &wearing resistance, stand fire Water-repellent, flexible Elegant appearance Hot Cold Waist Support,Back Support,Waist Support1.CE,SGS,MSDS ... cold temperatures e) Microwaveable for use as a hot pack f) Will remain flexible to -18C g) Cold compress: ... heatstroke, itching, headaches, muscle strain, scalds and fatigue h) Hot compress: alleviate rheumatic pain, muscular pain, sciatica, back pain andpost ...