Anything that keeps the OC from becoming airborne is all you need. As I posted before, just wrap it in a cloth to trap the liquid, an old T-shirt will work fine. A plastic bag around that to keep it from leaking out onto the carpet where it can end up becoming a constant reminder, like every time you touch it and then rub your face.

The small containers are just 2 oz. and the large ones are around 8 oz. so it wouldn't take a lot to contain the contents should it start to leak.
This stuff is actually available in liquid form to use as a mass crowd pleaser, bring your spray can.. We had a small amount of the liquid around the station and it was pretty benign as long as you didn't get it directly on you. It is classed as a mucous inflammatory not an irritant like chemical mace. It's organic too so not toxic, it just makes your face feel like you've been bobbing for french fries. When my canister went off I just took the belt carrier and washed it off with soap and water, did the same for the canister and put it right back on. I never tried it on bears, but works great on dogs and even drugged out people.