Premier® AquaBall Floating Ball Envelope Moistener, 1.25" x 1.25" x 5.38", Black/Blue (PREAQ701G) EachPremier AquaBall Floating Ball Envelope Moistener Conveniently moisten stamps, envelopes or fingers. Eliminates the need for sponges, rubber fingers or unsanitary licking of fingers. Enclosed floating ball design eliminates splashing and reduces evaporation. Keeps water clean. Nonslip feet. Global Product Type: Envelope Moisteners Moistener Size: 1. 25" x 1. 25" x 5. 38" Color(s): Black Blue Material(s): Glycerin Product Biodegradability in Days: 0