CE, MSDS,FDA,SGS,EN71 Cold compress Hot compress Remains soft even ... can be repeatedly used alternately for hot and for cold.Technical Specifications1, Boiling ( 5-10 min.) 2, Microwave (600W, 30 sec ... ;5, remain soft up to -20 °c Certificates1, CE, 2, MSDS,3, FDA,4, SGS, 5, EN71,All this kind Products ...