Ibirenge bidafite intwaro na plastiki.Kumenagura velheti yamenetse izana uruhande rwiza, mugihe amakuru arambuye arimo ifuro ryinshi ryuzuyemo infashanyo yimpeshyi, intebe yintebe, guhuza umusego wa bolster, hamwe na bouton-tufe inyuma izamura igishushanyo hamwe no guhuza umusego wo guta umusego.