Acoustic Foam Panels, Bass Trap Studio Foam, Corner Block, 7" X 7" X 12". Product Details [REDUCE NOISE]: Our 3D acoustically designed 7 inch sound proofing padding for wall/soundproof wall panels help break up sound waves providing the ideal level of moderate soundproofing control on walls or ceilings. [REDUCE REVERB]: At 50/lbs per cubic yard, these sound dampening panels effectively absorb unwanted flutter echoes. Made up of non-toxic environmentally friendly polyurethane soundproof foam padding at 50/lbs per cubic yard. [EXPANDS QUICKLY]: Our sound foam acoustic panels come compressed in a vacuum package and quickly recover to normal size, either by placing in a well ventilated place for about 24-48 hours or soaking the sound proof foam panels in water for one minute the [PLACE ANYWHERE]: Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. Easy to shape and cut to size, altering won?t affect performance. [AFTER SERVICE WARRANTY]: Our US based customer service means that you can trust that if you?re not satisfied for any reason, you can get a hassle-free refund or replacement. 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.