Practical and beautiful: density reaches 230 kg/cubic meter. The higher the density, the better the sound insulation and noise reduction effect. The thickness is only 0.9 cm, taking up no space at all. The unique hexagonal design allows each panel to fit perfectly. You can also cut it yourself or glue it with other shapes. Easy to install: There is a self-adhesive layer on the entire back, no need for any other tools, just peel off the protective film to install. Due to the ultra-thin thickness of the adhesive layer, the product, adhesive layer and wall can be firmly fixed, so you don't have to worry about panel edges being lifted or panels falling off the wall. It can be safely installed on any surface you need. Reliable Home Product: It is made of non-toxic and harmless recyclable polyester material, safe for children, pets and adults to breathe and touch. Multifunctional panel: In addition to noise reduction and sound insulation, it can also improve sound quality. The soundproof wall adopts lamination technology and has good impact resistance, anti-collision, anti-slip and anti-scratch properties. It can also be used as a background wall for photos or notes to prevent pins from damaging the wall.