Girls, What should I wear if a 30J is too small, but a 30K is too big?

[WaterNymph611]

The band size of 30 is perfect for me, but I'm not sure what cup size I am as the J cups cause me to spill and bounce. But the K cups have quite a bit of excess room XD. What should I do?

Updates

+1 y

Despite what my age says, I'm actually 19 not 15. GAG screwed that up.

[Anonymous]

Have you considered looking into fitted bras as in tailored to your exact measurements?

If it's too much of a problem why not ask aa female parent or guardian of yours?
Bra shopping at 15 can be quite hasstling.

[xobrowneyedbeauty]

It's best to go with the bigger cup. I don't know why but that's what the Internet told me when I was having the same dilemma haha it's probably better for your breasts so you aren't restricting them too much.