【What's Different】The biggest difference with other acoustic panels on the market is that our panels come with self-adhesive. Are you still worrying about finding tape everywhere? If you ever try our sound proof foam panels before, you would know how easy to install. | 【High Density is Better】9.4 lb/ft3 density are excellent at absorbing unwanted sounds and reduce unwanted echoes, waves, reverb and flutter echoes. In addition to using acoustic foam to dilute sound, you can also use it to enhance the acoustics in a room, like in a recording studio. | 【Stylish Decoration】This unique hexagonal soundproof wall panels adopt beveled edge design, you can hang them like art or accents around your room or apartment. These panels are generally pretty lightweight and come in a variety of colors to match your decor. | 【Safe Materials Cover Large Areas】Made of 100% polyester fiber, flame retardant, no smell, it is safe to breathe in and touch. 12 pack covers 7.5 square feet, easy to cut with a knife to make different designs with the individual panels to make a larger panel. | 【Excellent Service】We offer 24-hours stand-by professional customer service, if you have any questions about the acoustic foam panels, please feel free to contact us! If you are not satisfied with our product, please email us first and we would provide you with professional solutions.