18 X 30 CAGE KWIK-BUILD: Cage assembly can be a trying and time-consuming task. Assembled cages aren't practical to ship. Bass has always offered our cages in kit form, with J-clips for assembly. Now, the revolutionary "Kwik-Build" option from Bass eliminates the hassle of cage assembly. Plus, Kwik-Build turns every cage into a collapsible unit that can be disassembled for storage when not needed! The "Kwik-Klip" fasteners are made from tough, rust-proof, high impact plastic. They can be reused many times. Leave it to Bass to come up with the ultimate in easy to assemble cages!