500 Pcs Size 4 Padded Kraft Envelopes Ultra Secure Self Seal for Large Items

Usable Size (Internal): 9.5 x 13.5 inch — Exterior: 9.5 x 14.5 inch. Rapid Sealing Automation Ready: The reliable adhesive strip is optimally positioned for high-speed, semi-automated packing and sealing operations. Lowest Unit Cost for Mid-Sized Bulk: The 500-pack volume guarantees a superior return on investment for long-term material procurement. Commercial-Grade Durability: Manufactured with a heavy-duty Kraft exterior to perform reliably under the demanding conditions of commercial logistics. Optimized for Automation: Uniform size, shape, and structure make these mailers perfectly suited for use on conveyor belts and automated sorting systems.