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
