Pura
Pura designs plastic out at the system level: the Kiki bottle is an 18/8 stainless body and steel collar, with the only non-metal part being an interchangeable medical-grade silicone top - nipple, sippy spout, straw, or cap. That's the rare genuinely plastic-free bottle system, and the modularity means a child can move from infant nipple to sport cap without introducing plastic anywhere in the drink path. Where most "steel" bottles hide plastic in the closure, Pura swaps in silicone instead.
How clear are their specs?
The materials are named plainly - 18/8 stainless body and collar, medical-grade silicone tops - and the plastic-free claim is backed by MadeSafe certification.
Lead testing disclosure
Publishes a dedicated founders' statement directly addressing the lead-solder controversy: it acknowledges that pre-2017 insulated bottles could have lead-containing solder at the base under the stainless cap, says the company switched to certified lead-free solder in 2017, claims "all lab testing on the bottles, as sold, showed zero lead exposure," and states the products were submitted to the US CPSC for full review with "no required change to our product." This is a specific, on-topic response naming the exact issue - more than a bare marketing claim - but it does not name the testing lab or publish actual ppm/detection-limit numbers. Worth flagging: independent testing (Lead Safe Mama) found the lead sealing dot in bottles sold through at least 2018 (a year after Pura says it switched), and filed a 2023 CPSC violation report over the lack of a recall - a real conflict with Pura's timeline/safety framing.
- manufacturer https://www.purastainless.com/pages/a-note-about-sustainability-safety-from-our-founders founders' statement addressing the lead-solder issue, citing a 2017 switch to lead-free solder and CPSC review
- lab-test https://tamararubin.com/2023/08/cpsc-violation-report-august-2023-pura-stainless-knowingly-sold-lead-contaminated-childrens-products-through-at-least-2018-there-was-no-recall-these-products-are-still-in-use-in-homes-today/ independent finding that lead-contaminated bottles were sold through at least 2018, conflicting with the brand's 2017 switch claim
