1. This product is made of high quality plastic material. It can be effectively heat-resistant at 120 degrees centigrade and the cold tolerance temperature is -20C.
2. Each set of 3 pieces of this product, the brush material is copper wire, iron wire, nylon wire, can effectively help clean the dirt in the dead corner of the home, especially suitable for kitchen bathroom and other space, for gas stoves, faucets and other places stubborn dirt has a strong ability to remove.