2015 Re-usable Hand Warmer for Winter / Instant Heating Pad with Cartoon Design

Hot Compress: minor muscle, rheumatic pain, stiffness and muscle spams, arthristis, sciatica ,stain of lumbar muscle, menorrhalgia etc.

Idea for promotion gifts, family's therapy packs, travel accessoies, medical accessoies, households etc.

1. Flex metal disk until crystals from;

2. the liquid will then generate instant heat for up to 30 minutes

-Put the pack into boiling water and boil until  crystals have dissolved.

-Once the pack is cooled down you can reuse it.