Kuzenguruka imyenda idoda ikwiranye na flame igizwe na sponge y'ibicuruzwa bitwara ibinyabiziga, ahanini bikozwe muri fibre polyester (PET), kugirango irusheho guhangana n'ubushyuhe bwo hejuru no gukomera; Uburemere muri rusange buri hagati ya garama 40 na 100. Urwego rwibiro rushobora kwemeza ingaruka zihagije utiriwe wongera ibiro byinshi, kandi mugihe kimwe cyujuje ibyangombwa byoroheje byimodoka imbere.
