Well it’s a cool cause too. You can have a look at different ones here https://www.stylist.co.uk/life/stylish-best-reusable-water-bottles-environmentally-friendly/200483
the one GA posted you can order here: https://www.kikki-k.com/glass-water-bottle-energy
Or you can look up the stores they have several ones all around the world including several in UK, New York, California, Hong Kong etc
It’s done by a swedish designer from Melbourne. look up the store they have lots of cool stuff
