David Trubridge Coral & Floral Lampshades 600mmSeed System kitset lightshades are on average 1 30th of the volume of the assembled light. This aims to help minimize the effects of shipping and to reduce the designs environmental footprint. All bamboo (the primary material) is a secondary product, from renewable forests in China grown as a food source. We have visited these plantations and are satisfied with the quality of their systems. The lights are intended for use in dry interior conditions