1000 Bulk Pack 12.5x19 Inch Kraft Shipping Envelopes Wholesale Business Supply

Usable Size (Internal): 12.5 x 18 inch — Exterior: 12.5 x 19 inch. Uncompromised Closure Strength: The superior permanent adhesive maintains its sealing integrity in all climates, ensuring product security every step of the way. Ultimate Long-Term Cost Savings: The 1000-pack volume provides the best return on investment for sourcing high-capacity, protected mailers. Commercial Grade Durability: Built with heavy-duty Kraft paper suitable for large-scale, commercial mailing, ensuring consistent quality and structural integrity. Ideal for Automated Sorting: The consistent thickness and large, uniform structure are perfectly suited for high-speed conveyor belts and automated postal systems.