1. Material: plastic/hypa 2. Use environment: home 3. Applicable area: 101-150 square meters 4. For Xiaomi Mijia STFCR01SZ Vacuum Cleaner 5. High compatibility with the real machine 6. Filter dust to purify the air 7. Weight: side brush 57g/pair, filter 61g/piece, rag 18g/piece, set 136g/set