Name: safety metal handy warmer Material: metal Model: 006 Good quality with a nice surface. Name: ... sport,go out for travel.it is a good to which people with physically weak,cold and Lumbago, ... add oil one time.Safety,no toxic, environmental protection.How to use:1.open the cover of warmer. 2. ... barrel,please clean it.5.please use lighter to ignition,first must touch catalyst about ten second. ...