Empty Roll On Wax Cartridges

i am from bucharest (romania) and i am interested in buying empty roll on
wax cartridges (100 gr.), heat-resistant (also for microwave).
i would like to know which are the costs for the cartridges and also for
delivery, the conditions and terms.
i would like to know if i can receive a sample?
i am waiting for your answers.
best regards,