1. Material: PC+TPEE+nylon bristles
2. For Cobos Duoduo DT85/Jingjing DT83/Core e DT81
3. Use environment: home
4. Applicable area: less than 10 square meters
5. Wear-resistant and durable, not easy to damage
6. Easy to install and easy to use
7. Size: 55mm
8. Weight: about 20 grams