Umufuka wo gushyira mu mugongo UnLimited ni umufuka wo gushyira mu mugongo wubatswe kugira ngo ushobore gusubizwamo ibikoresho bishya (recyclable), wagenewe abanyeshuri b'amagare mu mijyi. Uyu mufuka ntiwinjiramo amazi rwose kandi ushobora guhindurwa ingano bitewe n'ibyifuzo by'uwawukoresha. Imiterere yawo isa n'akazu k'akordiyo (concertina) ituma umufuka wagura mu gihe hari ibintu byinshi wongeyeho, ukanongera kwifunika ukagabanuka bikagira imiterere yoroshye itanga umuvuduko mwiza wo kugenda. UnLimited yakozwe hifashishijwe ikintu kimwe rukumbi, ni ukuvuga thermoplastic elastomer ishobora gusubizwamo ibikoresho, ifite urwego rutandukanye rw'ubukomere, kandi ikanabambwa hifashishijwe ubushyuhe (heat welding). Imifuka myinshi yo gushyira mu mugongo ikorwa hifashishijwe ibikoresho byinshi bitandukanye, bigatuma bigora kubisubizamo ibikoresho bishya. Kubaka uyu mufuka hifashishijwe ikintu kimwe gusa bituma bishoboka kongera kuwukoresha no kuwusubizamo ibikoresho bishya igihe imikorere yawo irangiye.
Izina ry'umushinga : UnLimited, Izina ryabashushanya : Kuan-hua Chou, Izina ry'abakiriya : Kuan-hua Chou .
Igishushanyo cyiza nuwatsindiye igihembo cyumuringa mubicuruzwa birambye, imishinga n'amarushanwa yo gushushanya icyatsi. Ugomba rwose kubona umuringa watsindiye ibihembo byabashushanyo mbonera bya portfolio kugirango umenye ibindi bicuruzwa byinshi bishya, bishya, umwimerere kandi bihanga ibicuruzwa birambye, imishinga nibikorwa byicyatsi.
