The Lightdesire 12 Pack Self-Adhesive Sound Proof Foam Panels, 12 X 12 X, Black. Product Features Self-Adhesive Design - The sound proof Foam panels have double-sided tape behind them.Easy to Install.Just rip down the first layer of double-sided tape,you can paste in wherever you want. High Deformation Rebound Rate - The high resilience of our products is reflected in the fact that when you unpack the product, the product quickly returns to its original appearance. Effective Acoustic Treatment - The sound-absorbing foam is a dense and thick open-cell foam which can well eliminate indoor reverberation/echo/standing wave/noise and improve the sound clarity of the space. Environmentally Friendly Materials - Our products are made of polyester fiber material, which is environmentally friendly and harmless, safe to breathe and touch,safe for adults, kids and pets.You can use it with confidence. Widely Used - Excellent acoustic treatment for many occasions, not only for live sound treatment on studio and office walls,but also for recording studios,home studios and anywhere you needed. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!