The "sky lanterns" are made of ultraviolet-resistant PTFE fiber nets, supported by painted galvanized steel rings.
Optical fiber | fiber | Carbon-fiber-reinforced polymer | Optical fiber cable | National Vulcanized Fiber | Google Fiber | Fiber-optic communication | Fiber media converter | Fiber | PTFE fiber | Optical fiber connector | optical fiber | Mossy fiber | Fiber-reinforced composite | fiber-optic communication | Fiber art | fiber art | Congenital fiber type disproportion | Carbon (fiber) | carbon-fiber |