for laser printers and for thermal-transfer printers which can be applied to cryovials, cryotubes, microtubes , microcentrifuge tubes, microfuge tubes, eppendorf tubes, PCR tubes..., plastic bags, polyethylene bags, polypropylene bags, Ziploc bags, ziplok bags, ziplock bags, sample collection containers, vacutainer tubes, blood collection tubes, urine collection...