High Density And Fire Resistant Acoustic Panels, Sound Panels, Studio Foam For Product Features ?Outstanding Sound Absorption? - Distinct pyramid 3D acoustic design, these panels increases the contact area with sound. Therefore, they does an excellent job in absorbing flutter echoes, reverberation and standing waves. Compared with 1 inches panels, this 2 inches panels make much more difference in acoustic treatment. ?Improve Sound Quality Clarity?These high dense panels can reduce unwanted echoes, reflections. Sound listens less harsh and much clearer after these panels installed on wall or ceiling. Perfectly good for video, audio recording, interview, meeting, podcast, live, music, and gaming romm. ?Specifications? - Every package comes with 24 pack set black pyramid shaped acoustic panels which covers 24 sq ft in total. The dimension is 12 x 12 inches of 2 inches(from bottom to its peak)for each tile. High density (25kg/m3), flame retardant, and made of non-toxic polyurethane foam, we are committed to providing an affordable and healthy sound panel for acoustic treatment. ?Rapid Expansion? - What makes our acoustic panels unique is that they puff up to full shape and size rapidly. Usually it takes less than 24 hours to expand, but may take longer sometimes. Just separate the panels from interlocking status and let them sit in a well ventilated place, they will quickly be what you want. You won?t see any worry for the package of vacuum sealed. ?Easy to Install?These Soundproof wall panels are made of 100% polyurethane sponge, no health risk. Upgraded flame retardant acoustic foam panels, in case of fire caught, they will come to an end on their own within 1 minute. 1 adhesive sticker or spray adhesive to each corner and 1 to the middle is all it takes to install these panels to the wall or ceiling. Our sound foam panels can be easily cut to smaller size to fit different surface. 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!