Periodic Groove Structure Sound Absorbing Foam, Thick Dense 3D Decorative Wall Product Features ?SPECIFICATION?: Size - 12 X 12 X 2 inches, pack of 6; Coverage - 6 square feet; Weight - 0.12 lbs per panel; Density - 20kg/m3; Material - polyurethane; Design - Periodic groove structure ?REMARKABLE ACOUSTIC PERFORMANCE?: The acoustic foam panels are dense and thick open cell foam, great at cancelling room reverb/ echo/ standing wave/ noise, and improving the sound clarity in a space; High NRC (noise reduction coefficient): 0.75 ?ENDLESS-APPLICATION ?: These sound foam panels are ideal for acoustical treatment; Good for recording studio, home theater, office, home studio, vocal booth, basement, podcast, youtuber, streaming room and more ?GREAT FOR INDOOR?: Fire Rating: California Technical Bulletin 117-2013; Eco-friendly; Non-toxic; These modern wave-style foam tiles are perfect for wall and ceiling art decoration ?EASY TO CUT SET UP?: Soft and flexible sound absorption foam is easy to cut and install. Spray adhesive works nicely(sold separately) 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!