This miniature ultra-slim loudspeaker is just 10mm in thickness and has a paper cone.
Made of quality paper/PP material/wool.
No water absorption, moisture resistance. Insulation, heat insulation, cold resistance and exposure
Antibacterial, non-toxic, tasteless, non-polluting
Resilience and high tensile strength, strong toughness, good shock/buffer performance
These dust cap will apply to most of speaker.