Troystudio Hexagon Self-Adhesive Acoustic Studio Absorption Foam Panels, 13.8 X Product Features ?SPECIFICATION?: Size - 13.8 X 11.8 X 1 inches (2% cutting tolerance), pack of 12; Coverage - 10.26 square feet; Weight - 0.08 lbs per panel; Material - Thick and high density polyurethane; Design - hexagon groove ?EXCEPTIONAL REVERB NOISE REDUCTION?: Crafted with premium open cell foam and unique hexagon structure, these acoustic absorption foam panels are excellent at diminishing room reverb, echo, standing waves, and noise. When applied to walls and ceilings, they are highly effective in cancelling sound reflections to improve the sound clarity in the space. NRC (Noise Reduction Coefficient): 0.8; Average Absorption Coefficient: 0.77 ?FLAME RETARDANT ECO-FRIENDLY?: Our sound proof foam wall panels are flame retardant (California Technical Bulletin 117-2013), odorless and non-toxic. Their high density, durable, and high resilience design ensures long-lasting performance. Besides, these modern style foam tiles are perfect for interior wall and ceiling art decoration ?VERSATILE APPLICATION?: Our sound dampening foam panels are perfect for a wide range of acoustical treatments. Ideal for recording studios, home theaters, offices, music studios, gaming rooms, vocal booths, basement, streaming rooms, living room, bedroom, and more. They are an excellent choice for podcasters, YouTubers, and streamers to create a superior audio experience ?EASY TO CUT INSTALL?: Our acoustic sound panels are soft and flexible. It's effortless to cut them to size using a knife. With a convenient self-adhesive backing, they are easy to mount 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!