Uncovered Twin XL Innerspring Mattress Assembly from Japan

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 — Japan → United States

16%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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