1. PVC ibikoresho byuzuye ubusa hejuru yizuba.
2. Ibyuya byu icyuya imbere yingofero bikozwe mu mwenda wa polyester, ni hygroscopique kandi nziza.
3. Ingofero zikwiranye nubunini butandukanye bwumuzingi.
4. Hariho amabara menshi yo guhitamo kubwingofero.