What it is?
Hypoallergenic single crystal birthstone flat back stud earring made for elevating your ear stack. Designed with an internally threaded flat back and crafted with ASTM F-136 implant-grade titanium for ultimate 24/7 comfort. The skin-friendly flat back earring is available in each birthstone color.
Key Benefits
- Non-allergenic
- Nickel-free
- Lead-free
- Copper-free
- Waterproof
- Non-tarnishing
- No green skin
- Skin safe
- Lightweight
- Affordable
What else you need to know
- BASE METAL Implant Grade Titanium ASTM F-136
- COATING PVD Titanium Nitride
- FLAT BACK TYPE Internally Threaded
- STUD DIAMETER 1.2mm
- POST LENGTH 6mm
- POST THICKNESS 16 gauge
Material
ASTM F-67: Pure, unalloyed titanium. This is the safest metal for sensitive ears because it is the least likely to cause a reaction. We use this for almost all of our earrings.
ASTM F-136: Implant grade titanium. This is an biocompatible alloy containing aluminum, vanadium, and titanium. We use this for our flat back studs.
STAINLESS STEEL: We use this as a base metal for our bracelets and necklaces. We always use nickel free and lead free stainless steel. It is then plated with titanium nitride, a biocompatible material, to further protect sensitive skin.
COATING: Titanium nitride PVD is applied to our gold jewelry to give it an 18k gold color. Titanium nitride is a hypoallergenic material that is more durable and resist
