Amphipod ZipPod Holder
I bought this for jogs where I need to have my house/car key on me but don't have pockets.  For this purpose it works great and actually is bigger than it needs to be.  I also like to have my driver's license on me for ID purposes.  It does fit, just barely, with a bit of pushing and tugging.  It ends up with an odd shaped space left over after all this is said and done.  I do like the velcro strap to put it on my shoe that avoids having to re-lace my shoes.  Bottom line: does the job, but seems like a slig