Bottom Line:  Screenflex Freestanding Portable Walls are a historically proven value solution providing a wealth of flexibility to many environments. Pros: Lockable Self-Leveling Corner Casters, Steel End Frames, Position Controllers, Storage Latches, Great Versatility, Sound Absorbing Panels in Many Fabric Choices, Made in the USA and Produced in Numerous Lengths and Heights. Cons:  If you wish to move your dividers