Art Acoustic Panels, 48"X32" Soundproof Wall Panels 8 Pack, Sea Wave Product Details EFFICIENT ACOUSTIC TREATMENT: Our art acoustic panels are 9.4 lb/ft3 density, noise reduction coefficient: 0.92 and absorption coefficient: 0.8, provide exceptional sound absorption, minimizing reverberations and echoes, improve sound effects and speech intelligibility. HIGH DENSITY AND ECO-FRIENDLY: Decorative acoustic panels are made of 100% high-quality polyester fiber, recyclable, insulation, flame retardant, odorless and fade resistant. They can be mounted on walls or ceilings, and overall size (48"x32"x0.4") provides ample coverage. SELF-ADHESIVE EASY TO INSTALL: Our acoustic wall panels come with self-adhesive layer, which eliminates the need to purchase additional glue or 3M adhesive tape. Only needs to determine the pasting position of the panel, peel and stick that can easily stick to various smooth surface. UNIQUE DESIGN: The acoustic treatment are decorated with creative sea wave design, making them both functional and aesthetically pleasing. Suitable for music studios, home theaters, concert halls, conference rooms, offices etc. WIDE APPLICATION: Perfect sound proofing padding for wall and ceiling to reduce echo improve recording quality. If you you have any problems, please feel free to contact us. We have professional acoustic engineers who will analyze the specific situation for you. Your satisfactions is our priority! 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.