LINNY CO Product Safety & Testing
The LINNY CO product line stands up to rigorous U.S. and international testing standards -Β the same tests trusted for children's jewelry, hypoallergenic metals, and corrosion-resistant materials.
We don't justΒ meetΒ the requirements.
We exceed them.
OurΒ flatback studs,Β huggies, andΒ necklacesΒ have been tested byΒ QIMA Testing LimitedΒ and have passedΒ ASTM F2923-20, theΒ Standard Specification for Consumer Product Safety for Children's Jewelry.
This certification confirms that these pieces areΒ nickel-free, corrosion-resistant, and hypoallergenic, exceeding the requirements of bothΒ ASTM F2923-20Β andΒ ASTM F2923-11.

SAFETY TESTING
CPSIA Section 101 β Lead in Children's Products
Ensures our jewelry containsΒ far belowΒ the federal limit for lead.
California Health & Safety Code β Lead & Cadmium
Confirms compliance withΒ California's strict heavy-metal regulations.
California Proposition 65 β Heavy Metal Safety
Meets Prop 65 limits for safe, everyday wear.
ASTM F2923 β Children's Jewelry Chemical Safety
Verifies materials areΒ non-toxicΒ and compliant for children's jewelry.
ASTM F2923 β Mechanical Safety (Edges & Durability)
EnsuresΒ no sharp edgesΒ and safe performance under real-life use.
16 CFR 1500 β FHSA Mechanical Hazards
Passes federal impact, torque, and tension tests to ensure components remain secure.
HYPOALLERGENIC TESTING
EN 1811 & EN 12472 β Nickel Release Testing
Our earrings releaseΒ zero detectable nickel, meeting the highest global hypoallergenic standard.
PERFORMANCE TESTING
ASTM B117 β Salt Spray Corrosion Test (Waterproof/Sweatproof)
Simulates exposure toΒ water, sweat, saltwater, and humidity.
We achievedΒ Rating 6: no corrosion, proving our earrings are:
- Swim-safe
- Sweat-safe
- Tarnish-resistant
- Water-ready
Hand Wash Durability Test β 10 Cycles
No discoloration or fading after repeated washing.
Confirms long-term durability and color stability.
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Our additional jewelry collectionsβsuch as statement earrings and hair accessoriesβare designed for adults and currently fall outside the children's jewelry testing program.
However, as our brand continues to grow, we remain dedicated to expanding our comprehensive safety and testing program to meet evolving global standards.