Umukandara wa polyester, nanone bita umukandara wa EP cyangwa PN, umubiri we urwanya ubukana ni canvas, ubohewe na polyester muri warp na polyamide muri weft.
Umukandara ufite ibiranga uburebure buke mu ntambara hamwe nubushobozi bwiza bwo gutobora, byiza kurwanya amazi nimbaraga zitose, bikwiranye no hagati, intera ndende no gutwara ibintu biremereye.