Price: $19.79
(as of Aug 23,2020 19:42:12 UTC – Details)

[Widely Use]: Suitable for studio monitor, intelligent speaker, loud-speaker, subwoofer, shelf speakers, portable speaker, etc.
[Feature]: By stabilizing and absorbing audio frequencies, do a good job at dampening noise and vibration.
[High Quality]: Made out of the highest quality acoustical foam, designed to hold up to 20 lb without changing the shape.
[Note]: Please confirm the size before purchase.