Notary Public Underwriters Blog

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Published: December 3, 2025

Updated 12/3/25

Did you know Notary Public Underwriters is one of the largest producers of stamps and embossing products in the Southeastern United States?

NPU only offers Trodat self-inking stamps, and here is why. The rectangular stamp is one of the smallest and lightest self-inking stamps on the market; it can be used for mobile notaries on-the-go or for general office use alike. We currently offer fifteen-color case options, whether you like standard black or blue, or maybe you like to have a pop of color with lilac, mango, or neon pink. The fully transparent viewing window provides a clear view when positioning and aligning the stamp for perfectly placed stamp impressions each time. Comfortable grips on both sides ensure the clean handling and insertion of the ink pad without touching the cartridge insert.

If you already own this stamp and need more ink, visit our Notary Stamps page to purchase a replacement ink pad for this specific stamp. Also visit our YouTube Channel to see how to properly replace this notary stamp's ink pad.

All notary stamps are manufactured in-house and put together by our highly skilled production department.

Did you know Trodat stamps are the world's first climate-neutral stamps?

The rectangular stamp is unbelievably light and consists of up to 65%* post-consumer recycled plastic. Compared to its predecessor, 49%* CO₂ is saved during manufacture. The residual, unavoidable CO₂ footprint is compensated by Trodat's investment in Gold Standard climate protection projects recommended by the World Wildlife Fund.

We are proud to offer a lifetime guarantee on all stamps we manufacture.

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