【High Density, Better Performance】14.5 lb/ft3 density quiet your space by absorbing noise, it absorbs sound within room and stops it from echoing and amplifying, get you silence when you need to concentrate, relax, or hear your own music clearly. In addition to blocking the outside noise and preventing noise transfer, these acoustic panels allow you to hear conversations more clearly and have a better performance in music or speeches for rehearsal or recording purpos | 【Upgrated Strong Self-Adhesive】Comes with upgrated strong self-adhesive. It can be directly sticked to the wall as soon as it is torn and it will not easy to fall off, save your time and money. | 【Better Your Wall Decoration】With variety of colors and shapes, the soundproofing panels provides good visual enjoyment and features your room, great for wall art decoration while improving the sound quality and reduce noise of the roomUnique sound insulation boards adopt beveled edge honeycomb design, non-slip, anti-scratch, and anti-collision, offering good protection for you. | 【Eco-Friendly, More Healthy】Made of 100% high-quality flame retardant polyester, meets EN 13501-1 and ASTM E84 Class A Standards; Formaldehyde-free, comply with E0-class environmental standards; With the high density of 230kg/m³, AcouXtro acoustical panels have premium heat insulation property as well as reasonable sound-proofing performance, your health and safety are always our first priority of concern | 【Widely Application】Ideal aesthetic room decor and acoustical traeatreat solution for professional radio studios, offices, control rooms, home studios, home theaters, home offices, rehearsal rooms, concert halls, podcasting, live stream rooms, churches, vocal booths, piano room, man caves, dog kennels, utility closets, KTVs, meeting room, conference room, living room, bedroom, game/gaming/dining room, home gym, kindergarten, gymnasium, hotel, restaurant, etc.