well the boards is made with bamboo and carbon/carbon rails = bamboo tech
bottum is glass (and glenns board is laminated with a resin tint)
it's a perfect combination of the strongness/alife feel/flex and of course beauty.
here is a good site with a lot of info about bamboo use in boards
all the advantages/disadvantages(hardly any..allthough it takes more time to build)
it's a very informative site