18 Pack White Acoustic Panels 12"X12"X 0.4"Soundproof Wall Panels Wall Product Details [Material Safety] The wall sound proof panels is made of polyester fiber, which has better ductility and wear resistance, is not easy to be deformed and damaged, and has a long service life. Class B1 flame retardant, non-toxic, non-irritating odor, safe to breathe and touch. The acoustic panel adopts large size, high density, and weighs only 0.3lb. It covers a larger area and has a more obvious noise reduction effect. [45Chamfering Process] The sound panels for walls innovatively adopts a 45chamfering process, which leaves no gaps in installation, and is stylish and beautiful. The polyester fiber material is easy to cut, and the built-in glue can be disassembled, and it will not cause damage to the wall! [Improve Acoustic Quality] These sound proof padding are made of high-density polyester fiber, and the sound insulation effect is better than ordinary sound insulation foam! It can not only reduce and absorb unwanted echoes, waves, reverberations and tremor echoes to make other sounds clearer, but also can be used as wall decoration. [Easy to install and clean] The sound barrier panels comes with glue, which reduces the installation cost and makes the operation easier. Just tear off the protective film on the back and stick it where you need it. The adhesive on the back is viscous, will not degummed,(If you need to remove the noise reduction panels, you can remove it by heating it with a hair dryer. It will not damage the wall. If you need to clean the acoustic wall panel, use a vacuum cleaner or Clean it with a damp cloth.? [Wide Application Range] The sound insulation board has a wide application range and can be used in recording studios, rehearsal rooms, concert halls, churches, home theaters, offices and other places where sound insulation is required. It can meet your sound insulation needs Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.