This product comes in 12 panels that are 1 inch in thick with a height and length of 1 foot covering an area of 1 square foot each tile. The depth of this foam at 1 inch provides better soundproofing over large areas. Thin foam, over a large area, has less of a chance of distorted and muffling the sounds reverberation. The uniform wedge design help trap airborne noise while alleviating flutter echo and slap back. This foam is ideal for spot-treating production studios, practice rooms or home entertainment centers. Also, this foam helps with smaller agitation echo complications. It is tested to effectively eliminate sound waves and flutter. Purchasing your own foam is the best way to tune your area without hiring a professional acoustician. This Foam will not deteriorate or fall apart over time. All that is required is dusting over long periods of time. This product is best for when absolute sound deadening is not required, but moderate deadening is desired. PRODUCT IS SHIPPED AS 6 TILES, EACH TILE IS 2 WEDGES - SEE 4TH PICTURE. Use: Perfect for use on walls, ceilings, doors, windows etc. Anywhere to help block sound and prevent echoes inside the room. MADE IN USA BTI trading was established in year of 2012.We are allocated at US WA.The transportation to our store is very convenient.we are selling only high quality products we also selling our products world wide .At BTI we sure you can find all the product that you want.