Acoustic Booth Color Yellow Housing Material Fiberglass Reinforced Laminate Includes Writing Shelf Liner Material Stainless Steel Noise Attenuation 23 dB Features Completely Maintenance-Free Used Indoors Outdoors and Offshore Manufacturer Warranty Length 3 yr Overall Depth 24 in Overall Height 27 1/4 in Overall Width 27 1/4 in Resistance Properties Impact Resistant Standards ISO/IEC 17021 ISO 9001 2015