Common finishes include powder-coated metal for scratch and rust resistance; fabric covers on wardrobe-style units (often PET or recycled polyester); and varnish-treated bamboo on wooden racks.
Dimensions vary widely by model. In these examples heights range from about 27.95 inches to 80.71 inches, widths from roughly 3.74 to 48 inches, and depths from about 16.54 to 67.6 inches.
Assembly depends on the model. Many units require adult assembly and include necessary tools, while some advertise tool-free or clip-on setups that need no tools.
Many racks include casters or wheels for easy movement; several models offer lockable wheels or locking brakes to anchor the unit, while other designs are freestanding without wheels.