Second order with your company and your teak is high quality and durable.
Sealing your teak or not?
I do recommend to everyone to seal teak so you take care of your investment. I know teak can stay outdoors but teak will last longer when you use a little TLC. (Like with everything you buy, maintenance goes a long way!
It also prevents teak from turning Patina (that silvery grey color and my wife isn't to fond of that).
She likes the more polished look and if you are a little bit handy sealing the teak is done in a couple of hours.