The shades look like they are custom made. You can have similar shades made at The Shade Store.com: http://www.theshadestore.com/landing/roman-shades
screen shade fabric made to look like bamboo. Especially if you live in an area that has large temp/humidity swings. Bamboo and Grasses will not work as well in high humidity temperatures and will yellow/crack with age.
http://www.blindsdirectcanada.com/blinds-toronto/roller-blinds-screen-shades.html