Make quick work of sealing bulk mailings. Easy-to-use moisteners have a spin-off cap and a contoured design that fits comfortably in your hand and prevents spillage. Easily seals a large numbers of envelopes with their quick-drying adhesive. Each bottle is enough for sealing over 1500 envelopes. Moistener Size: 1.69 oz; Color(s): Blue; Quantity: 4/Pack.