Here's my black caviar mini flap fitting change wallet, cellphone, lipstick, diaper & wipes:

& it looks like jumbo for my lil DD
I believe the current WOC has longer chain than Mini flap
A few more references about the chain length:
32" - Naked flap (Drop: Single-15.5"/ Double-9")
43" - mini flap (Drop: Single-21")
44" - 07A DS reissue 225 (Drop: Single-21" / Double-11.5")
49" - WOC
49" - Camellia flap
50" - 08P Navy reissue 227
50" - 09C white reissue 227
50" - 09P blue caviar jumbo
55" - 09C red caviar jumbo
60" - 08A gray lamb jumbo