Both of those the aluminum and paper are shielded by a layer of BPA-free plastic movie to safeguard the integrity of your bottle) For just a new bottle or carton, single use, or brief use packaging of any type tends to not defeat reusable bottles above lengthier recurring use lifecycles https://topcartons.fitness.blog/2024/12/10/exploring-sustainable-water-packaging-a-step-towards-eco-friendly-hydration/