12Pack Sound Proof Foam Panels With Self Adhesive 1X12x12in Acoustic Soundproof Wall Panels For Gaming & Studio _x000D_ Professional Acoustic Treatment - The newly designed shape provides a larger sound absorption area. Therefore, they effectively reduce reverb, flutter echoes, undesirable acoustic reflections, unwanted noises._x000D_ Improve Sound Quality & Clarity - Acoustic foam panels are used to control the reverberation sounds make and this is quite different from soundproofing. it can reduce the echo in the room, improve the sound quality and stereo imaging. Perfectly good for video, audio recording, meeting, podcast, live, music studio, and gaming room._x000D_ Quick Recover to Normal Size - The soundproof foam comes compressed in a vacuum package, you need to place in a well ventilated place for about 2 hours. If part of the acoustic foam can not fully expand, you only need to soak it in water for 3-5 minutes, ventilate it to dry for about 24 hours, will be able to expand to the normal size._x000D_ Note:With adhesive backing, the color and style of the adhesive backing are random and cannot be specified._x000D_ Colour:Black & Gray/Black_x000D_ Material:Polyurethane_x000D_ Size:30x30x2.5cm_x000D_ _x000D_ Package Contents:_x000D_ 12 * Acoustic foam_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_