I've just taken this information direct from Rebecca's Art and Design Blog as it says pretty much what we need to know!
"This is a design that we have been working on and off for the last three months. We wanted to do an outdoor table, purely because we like this timber called Vitex. Vitex is directly marketed against other hardwood timbers such as Kwila as is comes from a sustainable source.
I like it as it ages gracefully in the elements and ends up a beautiful silver tone and refrains from giving you splinters. The design itself uses stainless steel hinges allowing the pieces to be folded down compacted for storage. The Vitex dose have a wonderful hard quality to it and has a life expectancy of approximately 40 years, mainly used in decking we look forward to using this ecological product more and more."