ClearSonic S5-2 Sorber Panel Overall Size: 4' wide x 66" Tall Foldable: The S5-2 panel actually consists of 2 panels each 2' wide allowing you to folds the panel in half for easy storage and it includes a handle allowing one person to easily carry multiple units. Noise Reduction: Sorber panels offer a NRC .90 Portable: SORBER baffles are very light! The S5-2 only weighs 19 pounds. Freestanding panels (Gobos) or wall mount sound absorbing panels: Set up S5-2 Sorber panels in freestand mode and use them as a very efficient Gobo allowing you to reconfigure your room setup quickly and easily. If desired, Sorber panels can be mounted against a surface using standard Velcro hook. Durable: Made from a super tough carpet "trunk" cloth that can take the abuse of the road. Color Choices: The Sorber Panels are offered in light and dark gray cloth that look great from either side. Economical: Compare price and you will see that the ClearSonic products are very affordable. Fire Resistant: All SORBER products have a Class A fire rating with a Flame Spread index of 0 and a Smoke Developed index of 65. Testing was performed by Omega Point Lab using the ASTM E84 Test Standard.