12 Pack Acoustic Panels With Self-Adhesive, 12"X 12"X 0.4"Sound Proof Foam Product Details ?Upgraded Sound Absorption Performance?You may be worrying- how to choose acoustic panels with good sound proof performance among so many types of sound proof foam panels.However,you can choose us without hesitation.our acoustic panels can effectively abosorb unwanted sound,such as echo,standing wave and high noise.Their Sound abosrbtion coefficient is 0.95, which meet most acoustic treatment need. You would not regret after purchasing them home. ?Perfect for wall decoration?Be different from other acoustic panels,We have not only upgraded their acoustic performance,but aslo their appearance.Adopt beveled edge and multi-line design.They can be DIY into pinwheel patterns and multi-ring patterns.They absorb unnecessary sound while playing a good role in decorating the wall.Perfect for professional studios, video blogger,game room, podcasting, school,home theaters,offices,etc. ?Greatly Save your time and money !?our soundproof wall panels are self-adhesive,They can be installed to a variety of different surfaces (walls,doors,windows,ceilings and so on) without any tools.No need any other glue.Our acoustic panels come in 12-piece packs, which on average are cheaper than 6-piece packs acoustic panels. ?Eco-friendly and Materials Safety?Made of 100% polyester fiber,they are no smell and B1 class flame retardant.No any risk when you stay in a room with our acoustic foam panels for a long time. ? Quality and Service Guarantee?To ensure the quality,Each of our acoustic panels undergoes strict quality control before leaving the factory.If you have any questions about our Sound panels, feel free to contact us, we will reply you within 24 hours and give you a satisfactory solution. 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.