First thing’s first: Yes, you can get a double–helix piercing done at the same time. In fact, it’s recommended considering the healing time of cartilage piercings (more on that later!)
Moreover, what size bar is used for helix piercing?
Accordingly, what kind of earring do you use for a helix piercing?
When getting your helix pierced, the piercing jewelry should be 14k gold or implant-grade titanium. These are the highest quality metals for earrings. Genuine gold earrings, in particular, are easier to clean thoroughly and are less likely to cause infection.