1.Function:

   a).window break,

      Press the head of hammer on the windows until unit snaps and shatters the glass.

   b). seat belt cutter,

      Pull the clip on the end of hammer, use the blade to slice through the belt.

   c). whistle 

2.Like a key, easy to carry

   Mini size, with a key chain, very easy to carry.

   Plastic encased blade, very safe to carry.

3.Colorful, color customerizable

4.Package Material:Blister Card