U.S. imports of stoppers,lids,caps,& other closures,of plastic (HS 3923500000) totaled $137.1M in August 2026, imported from 84 countries.

Importers of Stoppers,Lids,Caps,& Other Closures,of Plastic paid $21.0M in duties in August 2026, an effective tariff rate of 15.35% of the $137.1M imported — duty actually collected as a share of that value, not the published tariff schedule. Stoppers,Lids,Caps,& Other Closures,of Plastic imports of $137.1M in August 2026 ran 11% above the year-to-date monthly average of $123.6M.