Missing Exterior Polyurethane Finish

Hey all. Last Sunday, I think I left a plastic bag with a half empty canister of exterior polyurethane finish in the space. Probably would have left it in the flex area, but I’m not sure. Has anyone seen it? I checked the flammables cabinet for it, but didn’t find it there.

It’s not a super expensive item, but I’d rather not have to buy another canister of the stuff if I don’t have to. I don’t have that much use for exterior finish.