They're protective sleeves from looking at the empty stack of them up against the crate in photo 2. I'd have thought anyway.
Took me a second to figure that out after I posted the question. Interesting approach unless you just like yellow a lot.
Of course JAH-tim likes yellow:
@Airhead started
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They're protective sleeves from looking at the empty stack of them up against the crate in photo 2. I'd have thought anyway.