Use your personal direct thermal printer to add your information on this blank 4" x 2" self expiring badge which becomes invalid after 24 hours of use. Badge is offered as 2" x 4" and comes in a pack of 1000. The entire badge reads "VOID" after 1 day. Activation is easy! Ideal for visitor passes as these badges cannot be reused. Material Features • Entire badge surface shows VOID after 24 hours. (VOID may appear after 8-10 hours of use, especially in facilities over 72°.) • Paper label is flexographically printed. • Printable on Direct Thermal printers, including the DYMO 450 Turbo, DYMO 450, DYMO 400, DYMO 330, Zebra TLP3842, Zebra GX430t (300 dpi), and Toshiba B- EV4. In addition, the Zebra LP 2824, Seiko SLP 450, and Seiko SLP 440 printers are specifically compatible with 3" Direct Thermal Badges. Please contact us with any issues regarding compatibility. • Labels have a paper liner and a pressure-sensitive adhesive. • Recommended for indoor use only.