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Double Window #10 Security Envelopes from Mexico

Standard business #10 envelopes (4-1/8 x 9-1/2 inches) with two transparent windows and interior security tint, 24 lb paper. Windows allow address and return visibility for automated billing. HTS 4817.10.00.00 as functional envelopes for correspondence.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Specify window material (glassine paper vs. film) in invoices to avoid plastic duties

Ensure tint density prevents read-through per USPS standards

Import in pallet quantities with uniform window positioning for efficiency