1.outside coat is high quality foam(complete sealed),inner side is metal panel.
2.This product is based on foreign advanced production technology
3.Safe, non-toxic, and no sharp smell,compact in volume,waterproof and can be X-rayed.
4.It can be molded freely with hands so as to reach the best fastening effect and convenitent to use ect. it is a superb first-aid product to the emergency injury as well as neccessaries in the first-aid cases.