The band is pretty much the same in both bras. The 34K bra has bigger cups.
38FF - Panache » Andorra Full Cup Bra (5675)
Panache Andorra Full Cup Bra Black – Brastop UK
34HH - Panache » Andorra Full Cup Bra (5675)
Panache Andorra Full Cup Bra - Belle Lingerie
Andorra Non Wired Bra by Panache, Petal Pink
Panache » Andorra Full Cup Bra (5675)
Panache Andorra Bra Full Cup Black, 5675
Panache Women's Andorra Full Cup Bra white 5675 Full cup 30D
Panache Women's Andorra Full Cup Bra white 5675 Full cup 30D
Panache Andorra Bra Full Cup Black, 5675