Sohmo matchbox scissors are tiny little squeeze scissors.  Designed for quickly trimming threads while hand sewing, they're a useful addition to your sewing kit.
 
They are great for travel or hand sewing on the couch.
 
Length of scissors:  4.6cm from the tip of the blade to the end of the handles.  Blade length - 15mm from the tip of to pivot screw.  Blade is 1.5mm thick and has been designed to cut a few threads at a time, or a single layer of fabric.