How can I measure my belly button to determine what size belly ring I should buy online?

First of all: Please do not tell me that buying jewelry online is not safe. I already looked into it. I think I am going to be perfectly OK if I buy a belly ring online.

Down to the real question: How can I measure my belly button to determine what size belly ring I should buy? If it's too big, the ring will keep being "pushed up" like when I sit down and my belly button piercing can get infected. If the ring I buy is too small, it is going to pinch my skin and it will get infected, as well. I really need to decide which size piercing is right for me.
I looked on a website (bodycandy.com) and it said, "10mm ball" or "5mm ball" of different belly ring choices. Does that determine the size, too? And, it also said for almost all the belly ring choices I had decided on: "14 Gauge (1.6mm), 3/8" Length (10mm), 316L Surgical Grade Stainless Steel" or "14 Gauge (1.6mm), 3/8" (10mm), 316L Surgical Grade Stainless Steel, 5mm Ball." Is there a difference in size in those?

Any REAL and NON-RUDE answers will be much appreciated. :) Thanks so much!


Best answer:
Answer by awnser master
im just going to say this and go...buying it online ISNT safe because a lot of bacteria builds up


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