The 30E bra has a bigger band than the 28E bra. The 30E bra has deeper cups than the 28E bra, but they are about the same width.
Comparing a 30E Cleo Asher Balconnet Bra (9971) with a 28E Panache Tango Ii Balconnet Bra (3251)
Description Uses the UK sizing system. This brand starts with a D cup in most styles, then continues D, DD, E, F, etc. up to a UK K cup. Some styles
Panache Tango Balconnet Bra in Black
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Cleo by Panache Blossom Balconnet Underwire Bra (10581)- Lilac - Breakout Bras
Bras I Hate & Love: What Does Panache Have to Offer? (Brand Overview)
Bras I Hate & Love: What Does Panache Have to Offer? (Brand Overview)
SuperBra Tango II Underwire Balconnet Bra
Panache Superbra Tango II Underwire Balconnet Bra 3251, Underwired Balconnet., Features fine mesh with an elegant embroidered leaf design., Gives
Panache 3251 Superbra Tango Ii Underwire Balconnet Bra Anns Bra Shop
Bras I Hate & Love: What Does Panache Have to Offer? (Brand Overview)
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Comparing a Cleo Chloe (6601) with Panache Tango Ii Balconnet Bra (3251) in 32J