Comparing a 30G Cleo Lexi Moulded Balconnet T-shirt Bra (9421) with a 32G Cleo Rihanna (6621)
The 32G bra has a bigger band than the 30G bra. The 32G bra's cups are a lot deeper than the 30G's cups, although they are both about the same width.
The 30G is 1 band smaller than the 32G.
Lexi Moulded Balconnet T-shirt Bra (9421)