ATS Acoustic Panel Size C 24" x 24" x 4" - Natural Color. Available in 20 different colors - visit http://www.atsacoustics.com/sketchup to download all of our colors. 3-D model of our ATS Acoustic Panels for recording studios, home theater, auditoriums, offices, and other acoustic purposes. Our solutions are low-cost and very effective. Use our 3-D models to design your room in Google Sketchup, and then when you build the real room, you have a good idea of what it will look like. Fabric colors are derived from actual scanned swatches of material for accuracy. Construction is wood frame covered in a tightly woven high-grade burlap fabric. This fabric is often used for trade show booths and as a home decorating fabric. Core absorption material is known commonly as 3lb. mineral wool or rockwool, very similar to the Owens-Corning 703 product. We also carry the burlap, mineral wool, and Owens-Corning products for your DIY projects.