OEM Tatco adhesive-backed mailing seals, measuring 1-1/2" in diameter, are perfect for sealing folded flyers and brochures that do not require envelopes. These seals comply with USPS regulations for pamphlets and dispense easily from the roll, allowing for quick application. Designed for use with the Tatco Mailing Seal Dispenser (sold separately), these seals facilitate easy opening of mail without causing damage.