For: All DM Series Mailing Systems Securely seal your envelopes with our convenient sponge tip E-dabber bottle of Sealing Solution. Postage Stamp envelope seal for do it yourself applications. Just glide the roller ball over your glue activated envelope mail flap and press to seal. Our sealing solution is superior to ez seal sealing solution, which is Pitney Bowes sealing solution. Ez seal solution is higher priced and does not use our deionization process for envelope sealing. Our sealing solution is clear of all minerals and impurities.