Durable, non-skid textured tiles floors while creating a comfortable workout spac, Lightweight puzzle pieces connect quickly and easily, and can be disassembled just as simply for quick storage. Foam tiles connect easily and can be disassembled just as simply for quick storage. Thanks to the puzzle piece edge design, the interlocked the mats stay firmly in place. They are easy to clean with just a damp cloth and mild soap. Working Principle: High-density -retardant material is 30% higher than the industry standard, by increasing the noise absorption characteristics in the room, significantly reducing the transmission of noise through the walls, thereby reducing the noise outside the room. At the same time, it can also sound : by absorbing harmful sounds, reducing fluctuations, reverberations and vibration echoes, making useful sounds clearer. Widely Use: cost-effective noise reduction can create an listening or recording environment for you.You can use the acoustic foam panels for Recording Studios, Vocal Booths, Home Theaters.Great Use For Media Content (You Tubers / Music Edit & Recording, Video ). Used to acoustically treat walls or, commonly ceilings. Even you can use it for sound proof padding. Colour: Black + Blue Material: Polyurethane Cotton Size: 30x30x3cm Package Contents: 6 * black sound-absorbing cotton 6 * dark blue sound-absorbing cotton Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.