Combination of Ziploc food storage containers and Sterlite containers. Would be all Sterlite but haven't re-found them.
I never counted. But last year I was running a PIF and notices I needed the bic, Gillette yellow, Perma sharp, etc so I ended up buying like 800 more.^^^^^^^^^^^^^^^^
Good lord, how many blades do you have? Have you put a special bequest in your will for what's left when you've shuffled off this mortal coil? I thought I was bad.
That's awesome, by the way!