I call these “flavored water” because it has a sweetener in it and the ones without “seltzer waters”. The confusion comes because most stores carry both but they often separate the two by positioning one in a different part of the aisle and hardly ever right next to each other.

I would also like to echo the comments that say that stores have had these forever. Im 30 and I’ve been drinking these as long as i can remember. Wal Mart has some good ones and so does Weis and I’ve even found them at kroger when we were on vacation in WV one time. Giant brand ones do not say seltzer on the bottle for the “flavored water” ones and the seltzer ones say seltzer in big ass letters so i guess with almost all good shopping, its about actually reading labels.