The Most Cost-Effective, High-Performance Solution to Sealing Envelopes Tight. If You’re Using Any Other Sealing Solution You’re Paying Too Much!!!
With a mixing ratio of 4 oz Seal-Tight Concentrate to a gallon of water, Seal-Tight Concentrate will activate any water activated glue adhesion to ensure positive sealing and speeds dry time for quicker handling. A combination of active ingredients fights bacteria and algae growth providing a cleaner, more productive moistening system. Concentrated to save shipping costs compared to Pre-mixed solutions. Water is cheap but shipping is expensive.