Ibhegi ye-zip Square esezantsi inamacala ama-5, ngaphambili nangasemva, amacala amabini, kwaye ezantsi. Isakhiwo esahlukileyo sebhegi esezantsi esikwe ezantsi sigqiba ukuba ilunge ngakumbi ukupakisha iimpahla ezintathu okanye iimveliso zesikwere. Olu hlobo lwengxowa aluyi kuthatha ingqalelo kuphela intsingiselo yengxowa yeplastiki, kodwa ikwandise ngokupheleleyo umbono omtsha wokupakisha, ke ngoku isetyenziswa ngokubanzi ebomini nakwimveliso yabantu.