Every brand and SKU we carry passes a four-point safety read before it lands on our shelf:

1. Materials — medical-grade silicone, borosilicate glass, or stainless steel only. No phthalates. No jelly rubber. No unlabeled blends.
2. Power & battery — clear specs, USB rechargeable preferred, manufacturer-backed safety standards.
3. Warranty — transparent terms, real human support behind every claim.
4. Description — plain language. We tell you what it's made of, how loud it is, and how long it lasts.

If a product falls short on any of these, it doesn't go on our shelf. Questions: sales@nnlgroup.co.