Interion® Freestanding Office Partition Panel With Partial Windows, 48-1/4"W X 60"H, Gray Interion® By Global Industrial Freestanding Office Partitions Provide Versatile Privacy For Cubicles, Reception Spaces, Call Centers And More. Panels Are Made Using 1-3/4" Thick Fabric Upholstered Panel With An Mdf Frame And Honeycomb Core Covered With Heavy Tackable Liner For Structural Strength. Panel Trim Is Finished With Self-Extinguishing Extruded Polymer For Optimum Safety And Rigidity. Panels Are Flame Retardant To Meet The California 117 Flammability Standard. Steel T-Legs Ensure Reliable Freestanding Stability, And Make Panels Easy To Adjust And Rearrange. Windows Are Made Of Translucent Polycarbonate Material Which Allows Light To Come In While Still Maintaining Privacy. 1 Year Limited Warranty.