Why not just a get a backpack?  Then you can add a few more items if you want.  Also, a small "butt pack" like those found in travel stores may be helpful.  THat way you can just put them in a drawer or hang them on a door and roll out when you need to.  
Just my two cents
Garrett 
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On occasion of every accident that befalls you, remember to turn to yourself and inquire what power you have for turning it to use. - Epictetus