If you are still struggling to soundproof your room, then please take a look at our sound-absorbing wall panels. They are made of high-quality polyester fiber, odorless and non-toxic, with a good sound absorbing effect, which can provide you with a comfortable and quiet living environment.  Key Features ✔Selected Material: This product is made of high-quality polyester fiber by a pressing process, sturdy and durable, odorless and non-toxic, and they are secure and you can install them with confidence. ✔Good Sound Absorption: The high-density polyester fiber has excellent sound insulation and good acoustic absorption, reducing noise pollution in daily life and promoting concentration and productivity. ✔Simple Installation: It comes with adhesive backing, which can be removed and pasted where you want it to be, making the operation simple and fast. ✔12 Pieces a Set: With each of 11.8*11.8-inch, a set of 12 sound-absorbing panels can cover a wall area of about 11.6ft² to meet your needs. ✔Nice Decoration: The simple shape and bright color add a stylish touch to your room's decoration and can match many scenes. ✔Thin and Lightweight: Compared to regular boards, it is thinner(9mm) and lighter, making installation relatively easy. ✔Free DIY: You can use a knife to cut the sizes to suit your needs, or chamfer the corners with a chamfering tool for free-form piecing, making life no longer monotonous.  Details Beveled Edges: This design not only reduces and absorbs unnecessary echoes, but also provides a modern style decorative effect for your walls. Square Shape: This design allows for more varied and tighter splices, resulting in better soundproofing.  Application It is suitable for living rooms, offices, home theaters, playrooms, KTV, cinema, bedrooms, piano rooms, kindergarten, and recording rooms. It can be used as backdrops, photo walls, information walls, work walls, etc.  Specification Color: Purple Shape: Square Style: Modern Material: Polyester Fiber Process: Pressing Mounting Type: Wall Mount Number of Pieces: 12 Product Suitable Installation Area: About 1.08㎡/11.6ft² Thickness: 9mm/0.35in Each Panel Size: 30*30cm/11.8*11.8in Package Size: 30*30*12cm/11.81*11.81*4.72in Gross Weight: 1.5kg/3.31lbs Package Included 12*Sound Absorbing Panels  Notes 1.Please check the size before ordering. 2.Please ensure that your wall is clean, smooth, and free from loose residue or dust before installation. 3.Please note that this product is not suitable for cleaning with water, you can use a hair dryer to blow away the dust on the surface. 4.Please note that this product is not flame-retardant.