Uncovered Twin XL Innerspring Mattress Assembly from Mexico
An innerspring core for twin XL mattresses featuring Bonnell coil springs encased in a wire grid framework, supplied without upholstery. Classified in HTS 9404.29.90.50 for its steel innerspring construction as an uncovered unit for further bedding manufacturing. It excludes any cellular rubber, plastics, or external coverings per chapter exclusions.
Duty Rate — Mexico → United States
16%
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
• Include engineering drawings showing innerspring design to confirm classification away from general metal goods
• Ensure compliance with U.S. safety standards for springs; test reports may be required for flammability if later upholstered