A B cup bra is a bra,basically, and the cup size is B. Simple.
No its the cup size of bra
A 34B sized bra means that you have a circumference of 34 inches around your bust and a size B means that you have a cup size of about 1 ½ - 2 ½ inches
Okay, the 36 or 34 is are the inches under neath your breasts. The B is the breats cup size. So 34B is two inches smaller then 36B. Hope I helped :)
Brenda's bra size is a B cup.
B-Cup.
The cup size of a bra is the letter in the size, for example the B in "36B" is the cup size. It represents how much larger the breasts are than the measurement around the rib cage.
a/b cup
Different cup sizes usually range from a A cup, B cup, C cup, D cup, and a double D cup size. In addition, there are also band lengths as well. These bra band lengths range from 32 to 36 inches.
a small B-cup
She wears a 34 B-Cup
Its the size of the compartment in a bra where the breasts are fitted into. E.g a,b,c,d(a being the smallest) etc