Acoustic Wave Foam
Packing a flowing, calming appearance along with its sound absorbing and deadening qualities, Acoustic Wave panels provide a striking visual effect in any space they are mounted. Sold in an interlocking two-panel set, one panel features a border, while the other is edgeless. The coverage offered by these panels makes them a fantastic choice for effectively treating large spans of space at once. "Bordered" Acoustic Wedge panels have three columns of raised ripples, while the edgeless panel will have four, for mixing and matching in your space.
More information: http://www.thefoamfactory.com/acousticfoam/wavefoam.html