Plastic Bottle; Polyurethane Sponge. Just fill with water and rub the tip across the letter!
2 NEW UNIVERSAL Envelope Moistener Letter Sealer Pencils With Sponge Tip Licker $6.95 - PicClick
Sold as 4/Pack. Quick-drying, water-based adhesive seals envelopes and most paper-based items. Each bottle can secure more than 1500 envelopes. Easy
Universal 46065VP Envelope Moistener with Adhesive, 2.2 oz Bottle, Clear, 4/Pack
Envelopes & Mailers – GoodEarth Products
UNV46065, Universal® 46065 Envelope Moistener with Adhesive, 2.2 oz Bottle, Clear
Dab N Seal Envelope Moistener
Sparco Envelope Moistener, Bottle Type, Sponge Tipped (SPR01483) : Envelope And Stamp Moisteners : Office Products
Squeeze Bottle Moistener, 2 oz, Blue - No more licking envelopes or stamps that can leave a bad taste in your mouth and not stick thoroughly. Universal Envelope Moistener eliminates the need to lick envelopes by gently wetting the desired material to activate the adhesive. Save time and effort required to do a mass mailing. Constructed with a long-lasting polyurethane sponge that distributes moisture evenly without over-wetting. Use with water.
Universal - UNV56502 - Squeeze Bottle Moistener, 2 oz, Blue
Universal 36000 Peel Seal Strip Business Envelope, #6 3/4, 3 5/8 x 6 1/2, White, 100/Box - UNV36000
No more foul-tasting envelope glue, Ensures a steady flow of water without leakage 2-ounce size Transparent pencil-like plastic tube reveals water
1InTheOffice Envelope Moistener, Envelope Sealer Bottle Wedge Sponge, Tipped Squeeze Bottle, Spill Proof (4 Pack)
Quality Park Dab n' Seal Envelope Moistener with Adhesive, 1.69 oz, 4/Pack (56766)
Envelope Moistener Sealer with Adhesive,dab n Seal, Stamp and Letter Glue licker, Fast Drying, Non Toxic, Squeezable Sealer-Ideal for envelopes,Stamps,Letters. 2 Pack, by Executive Supplies : Office Products