316L stainless steel is usually the strongest default for everyday charm programs because it supports durability, hypoallergenic positioning, and stable reorder quality.
Brass can still be useful for selected plated designs, but it requires tighter review around plating thickness, wear expectations, and retail positioning.
For charm bars, the practical question is not only material cost. Buyers also need to consider customer use, finish consistency, perceived value, and long-term replenishment.
If your program depends on repeat sales, mixed seasonal drops, and customer confidence, stainless steel gives the sourcing team a clearer quality baseline.
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