But that doesn’t matter much in comparison, because PFAS (corrected) are in the product, allegedly: https://amp.theguardian.com/environment/2023/jan/19/simply-o...
1. Lots of drinks come in metal cans with BPA lining on the inside.
2. You can absolutely be reasonably healthy and drink some of these drinks, including the variants that are not sugar-free. I don’t think most people try to be perfectionistically healthy. But I think PFAs are not anywhere closer “reasonably healthy” to consume.
Also, PFAS is not the plural of PFA - those are actually different classes of chemicals.
The material itself is already about 1.5× to 2× as dense as your average container plastic, plus since you're aiming for at least a decent strength, on top of that the wall thickness will probably be several times larger too.
We obviously freaked out and acted immediately, the staff was a bit concerned but it wasn't their child chewing glass shards. Daughter fortunately developed quite a skill or pushing stuff she doesn't like from her mouth using tongue, so she pushed out everything quickly, small cut in her inner mouth, 2 minutes of crying, us running around and that was it, with some evening worries (wife is a doctor but still...).
Not recommending this experience, better check what they give to your young ones (say below age of 3) beforehand, or just bring your own unbreakable one, even if (good) plastic.