Flat Back Stud Earrings in 316L Stainless Steel

If you want one set for more than a single piercing, these flat back studs offer several CZ sizes and an internally threaded design. That gives you more flexibility than buying one fixed-size pair, though the fit still depends on your piercing’s gauge and post length.

The set is listed for ear, nose, and lip piercings. Its key buying detail is that the product name mentions both 16G and 18G, while the supplied specifications define 16G as 1.2 mm, the listing doesn’t clearly explain the 18G option.

Key specifications

The jewelry is made from 316L surgical stainless steel with cubic zirconia tops in 2 mm, 3 mm, 4 mm, and 5 mm sizes. The package contains four pairs, one size per pair. Post lengths are listed as 6, 6, 7, and 8 mm, but the description doesn’t specify which length corresponds to each CZ size. That makes the set useful for trying different looks, but it’s not a substitute for knowing what post length your piercing needs.

The studs use an internal-thread design rather than a butterfly back. The seller describes the steel as nickel- and lead-free and promotes it for sensitive ears, individual reactions to jewelry can still vary. On the spec sheet, the combination of multiple top sizes and flat backs is aimed at people who want a low-profile style with some choice in how noticeable the stone looks.

Who it’s for

It makes sense if you wear several piercings or want to switch between a subtle 2 mm stone and a more visible 5 mm one. The listed uses include cartilage, helix, tragus, conch, nose, and lip piercings, so the set is intended to cover more than standard earlobe jewelry. For example, you could use a smaller top for a discreet everyday look and save a larger one for a piercing you want to stand out.

Flat backs may appeal if a traditional butterfly backing presses uncomfortably when you rest your ear against a pillow. Still, the post lengths and gauge matter: Not the best choice if you need a specific fit that isn’t confirmed by the listing, or if you’re shopping for a different thread or gauge size.

What’s included

You get four pairs of studs in the four CZ sizes, plus a ball-grabber tool for handling the small tops. The tool is described as working only with pieces larger than 2 mm, so it won’t help grip the smallest 2 mm top. That’s a practical limitation if you have long nails or find tiny jewelry difficult to handle.

Practical doubts

Can these be used for nose or lip piercings? The product lists nose studs and several lip-piercing styles among its intended uses. Match the gauge and post length to your piercing before choosing them.

What does the set include? Four pairs in 2 mm, 3 mm, 4 mm, and 5 mm CZ sizes, along with a ball-grabber tool.

Are they intended for day-and-night wear? The listing says the threaded backs are designed to stay secure and describes the studs as suitable for day-and-night wear, including showering. That’s the stated design intent, not a guarantee of fit or comfort for every wearer.

Is it worth it?

This set is most appealing when having four stone sizes in one purchase matters more than getting precise, individually specified post details. Compared with buying a single pair with a confirmed gauge and post length, it offers more variety but leaves an important fit question unresolved. Choose it if your piercing matches the stated sizing and you’ll use the size range, skip it if you need a clearly confirmed 18G specification or a particular post length.