Airmail Lightweight Envelopes from Mexico
International airmail envelopes made from 16 lb lightweight blue paper, size C6 (114 x 162 mm) with red/green diamond pattern border. Border considered minor per chapter notes, classifying as plain envelopes under HTS 4817.10.00.00. Optimized for overseas postage weight limits.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Prove pattern is subsidiary to mailing function with postal service certifications to avoid Chapter 49
• Confirm paper weight under 60 g/m² aligns with lightweight uncoated paper standards
• Include universal postal union markings in documentation for expedited clearance