All-purpose moistener is designed for fast processing of envelopes and stamps. Easily moisten all sizes of envelopes in one mess-free pass. Separate area is specifically made to apply moisture to stamps or fingers. Advanced cellulose wick pulls water up from bottom and stays moist for days. Enclosed housing prevents splashing and protects water supply from evaporation.All-purpose moistener is designed for fast processing of envelopes and stamps. Easily moisten all sizes of envelopes in one mess-free pass. Separate area is specifically made to apply moisture to stamps or fingers. Advanced cellulose wick pulls water up from bottom and stays moist for days. Enclosed housing prevents splashing and protects water supply from evaporation.