DENSEST IN MARKET- Iconic 230kg/m3 Density. 10x better than Acoustic Foam / Traditional Acoustic Panels / Low Density Polyester Fibre Products.A rich combination of patterns gives you more choices. | IMPROVE ACOUSTIC QUALITY- Sound absorbing panels eliminate unwanted sound and make other sounds clearer. This will improve the speech intelligibility of the lecture room or venue. It can also help in retail and dining environments. The rich application scene makes him a bestseller. | EASY TO INSTALL- these barrier-free and fire-resistant (B1) sound absorbing panels can be installed using double-sided tape and glass glue. | ECO-FRIENDLY - Made with 100% Polyester Fiber, it is both safe to breathe in and touch, making it great for any location in the home or studio.B1 Class Flame Retardant, odorless and doesn't alter air quality making it safe for adults, kids, and pets! | AFTER SELL-We go above and beyond to provide the highest quality product, and top notch customer service. If you are not satisfied with our products, please do not give us a 1 star review, our professional acoustic engineers will analyze the specific situation for you If it cannot be resolved, we will provide a 100% refund, no problem. Click Add to cart above to get it now!