Double Window #10 Security Envelopes from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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