The bbloop 'AIR MAIL' Self-Inking Office Stamp, Rectangular Typewriter Style marks with a clear, bold imprint big enough for the inscription to be seen but doesn't swallow up much space. Not readily available in stores, get this quality stamp now at a great value! Our stamps come in handy in all areas of life, for home or school or even the office. our line of self-inking stamps are the solution to any of your needs as a teacher or a student. We have a large array of rubber stamps to mark, organize, decorate or express yourself. Set yourself apart from the others and make your mark. Long-lasting ink, refillable for a lifetime of service. Our self-inking stamps use the latest innovation to bring results at a fraction of the time. The refillable ink pad ensures peace of mind for a long-lasting service. Upward of 50,000 bright impressions designed for repeat use. What's more, the laser engraved stamping rubber is retractable, no smear and no undesirable traces after use. Built to last, we are here to provide a lifetime of service.