Kuzunguruka imyenda idoda ikwiriye ibiringiti byumuriro / ibiringiti byo guhunga bikozwe muri polyester (fibre polyester). Uburemere muri rusange buri hagati ya garama 60 na 120 kuri metero kare, naho ubunini bugera kuri milimetero 0.3 kugeza 0.7 kugirango hirindwe umuriro nimbaraga za mashini.
