Cov ntaub ntawv no yog cov ntaub ntawv feem ntau siv rau cov khaub ncaws kho mob hauv North thiab South America, Middle-East, South East Asia thiab Europe zoo li lub npe nrov Chrokee, Scorpi, Adar thiab Roly.Nws muaj plaub txoj kev zoo ncab kom nws xis nyob thaum hnav ua hauj lwm.Qhov hnyav ntawm nws yog 160gsm thiab lub thickness yog nruab nrab yog li nws yog haum rau cov cheeb tsam uas kub hnyiab tau.