DYMO Industrial Pre-sized Safety Labels for DYMO XTL Label Makers, Black on White with Blue Header, 2"x4", 1 Roll (1868715) Specific labels with colored headers including labels pre-printed with DANGER and NOTICE headers for on-demand printing of small format safety signage UL recognized as a component to UL 969 Constructed of a durable vinyl material and coated with industrial grade adhesive Compatible with all DYMO XTL label makers