Established in 1996, INSAN Co., Ltd was the first in Korea to have developed an antibacterial scrubber. Using natural minerals, INSAN's scrubbers boast 99.9% antibacterial power, which has been proven by obtaining the Sanitary Finish (SF) Mark in Korea, and ISO20743. INSAN's scrubbers are also made with Nylon 66 imported from Germany, making them durable and heat resistant. These scrubbers can withstand long term exposure to boiling water and are dishwasher safe.