The 30D bra has a bigger band than the 28D bra. The cups on the 30D bra are a lot bigger than the 28D bra.
Types Of Bras - Different Bra Styles Every Person Should Know
Balcony Bras
Freya Rio Balcony Bra - White - 28H Available at The Fitting Room
What you need to know about each type of bra
Freya Kiyoko Plunge Balcony Bra 1881 UK 30F Blush New Womens
Bra Review: Freya Wildfire Plunge, 30DD – Let's talk about bras
Freya Rio Balcony Bra - White - 28H Available at The Fitting Room
Freya Fancies Plunge Balcony Bra & Reviews
Freya Rio Balcony Bra - White - 28H Available at The Fitting Room
Balcony Bras
Moulded Shapes Explained
Balcony Bras
What you need to know about each type of bra
Types Of Bras - Different Bra Styles Every Person Should Know