Universal Sponge Cup Moistener, 3" Diameter, Clear (UNV56503)

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. Sponge Cup MoistenerShatterproof clear plastic cup with long-lasting sponge. Moistener Size: 3" Diameter; Color(s): Clear; Material(s): Plastic/Foam (Water-Fillable).