Self-Adhesive, 12-Piece Set Of 1" X 12" X 12" Quick-Recovery, Carbon Black. Product Details ??Quick-Recovery?Be different from other Acoustic Foam,our sound proof foam panels apply high elasticity materials to ensure their quality.They will recover within 5 seconds after opening the package.No need to wait 2-3 days and greatly save your time! ??1 Inch but High Density?You may be concerned that the thickness of acoustic panels will affect their sound absorption effect.In fact, the effect of acoustics foam does not necessarily depend on their thickness Although only 1 inch , our acoustic panels is composed of high-density materials.They remove echoes and delete standing waves and flutter effectively. ??Sound Absorption and Aesthetics ?Acoustic foam panels absorb echoes and noise from surrounding areas while offering us with a harmonious and elegant atmosphere. Perfect for professional studios, video blogger,rehearsal rooms, concert halls, podcasting, school,home theaters, offices, pet kennels,etc.More sound foam panels and the effect are better. ??Quick Installation Materials Safety?Our self-adhesive acoustic panels are lightweight and can be installed to a variety of different surfaces (walls,doors,windows,ceilings and so on) without any tools.The self-adhesive acoustic foam is also easy to cut to size, altering won?t affect acoustic foam's performance. They are made by non-toxic materials and No any risk when you stay in a room with Acoustic Foam for a long time ?? Quality and Service Guarantee?To ensure the quality,Each of our acoustic foams undergoes strict quality control before leaving the factory.If you have any questions about our Sound foam, 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.