Plastic and Aluminum Pharmaceutical Closures and Dosing Cups

Manufactured in a clean room production facility, Closure Systems International produces pharmaceutical packaging for products such as syrups, homeopathics, and alcohol bottles.

  • Double-Lok 28mm Closures
  • Double-Lok 28mm

    CSI's unique patented Double-Lok tamper band design provides the highest level of tamper evidence available in the carbonated soft drink industry.

    • Tamper Evidence
    • Opening/Resealing performance
    • Designed to Drive Sales
  • Learn More
  • Wing-Lok 28mm Plastic Closures
  • Wing-Lok 28mm

    Patented wing tamper evidence system provides reliable consistent performance.

    • Superior Performance
    • Engineered for Quality
    • Designed to Drive Sales
  • Learn More