20PCS Soundproof Foam Panels, Kindergarten Classroom Acoustic Panel Moisture Proof Noise Reduction Sound Absorbing Cotton (Purple) (Red)

Acoustic Panel: Use professional acoustic control to reduce waves, reverberations and tremors in small and medium-sized rooms. Acoustic Panel: Eliminate noise, enjoy a healthy life, eliminate noise and noise, improve music quality, and add fun to life. Acoustic Panel: Breathable, breathable, moisture-proof, tens of thousands of small pores, soft touch, high elasticity. Acoustic Panel: Tips: This product is not sticky. After the customer receives the package, they need to buy glue to install it. Installation is simple and convenient. Acoustic Panel: Color: Yellow, Blue, Red, Purple, Black / / Size: 50*50*3.5CM / / Quantity: 20 / / Area: 5 square meters.