... 3.This warmer is a new-style hand warmer bag,electric warmer bag,hand warmer heating bags Certifications: CE and ROHS. Specifications ... Detail: 1.This warmer is a new-style hot water bag.It is made of special material, It can keep warm ... and students, portable shopping, business travel, travel, etc. very convenient. 4.In using this product can also support treatment and prevention ...