Nothing was special about the water inside SEI. Just good old fashioned spring water from the Catskill Mountains. I just had to have the brilliantly designed SEI bottle. It's simple, bold, and flask like. This water bottle design reminded me of Fred Water, which has the same sort of shape, but if I was to recommend one based on taste it would be Fred Water. Fred Water has a very distinct and unique velvety taste unlike any water I've ever had. SEI water just looks good. The water is good and natural, but you have to try Fred Water! Below is what Fred looks like. All this talk about Fred Water is making me want to get a bottle right meow.