golden bamboo, Kanetake (金竹)
purple bamboo, Shichiku (紫竹)
Chasen, a bamboo whisk is an indispensable accessories for a proper-made matcha. The whisk is traditionally carved out of a single piece of bamboo. The two chasens are made of Kanetake (金竹), or golden bamboo and Shichiku (紫竹), purple bamboo. Made in China.
To clean, only use warm water, without any chemicals.