12 PCS 30 * 7.5 * 7.5cm Foam Panels High Density Sound Insulation Fire Retar ESE

High-density design, can effectively block out unwanted noise, eliminate reverb and echoes. Material: Foam. Product Weight: 25g/ 0.8oz (single one). Easy to use, just put them between walls and ceilings, mounting them horizontally is also a good idea.

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