Acoustic Panels 12 Pcs\.,1 X 12 X 12 Inches,Acoustic Treatment Foam With Product Details give us unnecessary reverberations,causing the problem of unclear sound.In this citucation,use Musfunny Acoustic Panels can help to reduce noise pollution as they remove echoes and background sounds,it effectively delete standing waves and flutter. Easy to install: Our Acoustic Panels come with double tape sticker and simple installation notes,5pcs sticker for each foam,No special tools are needed for installation.When use stickers,please make sure the wall is flat and free of foreign matter such as powder,which will affect the effect of the paste. Specification: Name: Musfunny Acoustic Foam Panels Wedges Size :1*12*12 inch(2.5*30*30cm),each pack come with 12pcs of this size. Weight: 0.43kg/pack Material:Polyurethane Note? 1,Please wait 24 to 48 hours when open the package.or soak in water for 2-5 minutes and then blow dry to restore the normal thickness. 2,When install,please make sure the wall is flat and free of foreign matter such as powder,which will affect the effect of the paste. ?Flame-retardant Sound Proof Foam Panels?Come in a vacuum sealed bag with 12pcs 1*12*12 inch high-density acoustic treatment foam. The acoustic panels is made of flame-retardant and environmentally-friendly polyurethane foam, which is fire resistant and better noise and echo reduction. ?Better Noise Reduction?Installed to reduce noise pollution as they remove echoes and background sounds not by blocking the sound but by absorbing it. Acoustic foams are used to control the reverberation sounds make and this is quite different from soundproofing, it effectively delete standing waves and flutter. ?Widely uses?These sound cancelling foam can improve the acoustics in a room and make it a more valuable and useful space, whether for your studio or home theatre, entertainment room, church, office, Gymnasiums, or any space you needed. ?Unique Decoration?This soundproofing absorption panel can be also used as an art decoration on the wall,which adds a great deal of romance and build a mass of good memories in a warm,comfortable and safe surroundings. ?Easy to install?Our Acoustic Panels come with double tape sticker and simple installation notes,5pcs sticker for each foam, No special tools are needed for installation.When use stickers,please make sure the wall is flat and free of foreign matter such as powder, which will affect the effect of the paste. 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.