Z.B.
I'm pretty sure they're all BPA free anymore. I agree withTF Plano/Allen that the BPA thing is mostly hype, but the manufacturers made sure everything the sell is BPA free ... otherwise too many moms refused to buy them.
There are lots of reasons the water might taste funny. The water in different municipalities can taste different, not washing them out often enough can make a difference, sometimes they are washed well enough after having lemonade or Gatorade in them, etc.
Coleman and Igloo have been around for a long time. I always feel safe buying their products.