Double-Lok 38mm

Plastic Closure for Carbonated Soft Drinks, Beer/Malt Beverages, Liquor

  • Primary Market Segments Served:

    Carbonated Soft Drinks, Beer/Malt Beverages, Liquor

  • Application/Fill Processes:

    Cold/Ambient-Fill, Carbonated

  • Material Types:


  • Closure Diameters:


  • Bottle Finishes:


  • Bottle/Package Types:

    Plastic Non-Returnable Bottles

  • Knurl Options:


  • Seal Types:

    Two-Piece Lined

  • Tamper Evidence:

    Tamper Evident Band - Standard

  • Brand Names:


Contact us with your requests for product samples, information about products, sales brochures or sales locations.

A local CSI closure specialist will contact you as quickly as possible.

Request More Information

Consumers demand package security. For that reason, Closure Systems International offers Double-Lok closures. CSI’s unique patented tab design is the highest tamper evidence available for carbonated products.

When consumers open the Double-Lok closure, they both hear and see the band separation, providing the highest level of product quality assurance. You can also be assured your brand trademark is protected with the security of Double-Lok.


  • Patented tab design provides the highest level of tamper evidence available.
  • Audio and visual cues for band breakage and separation from the closure provide clear tamper evidence.
  • Gives consumer a sense of security that package safety has not been compromised.

Opening / Sealing Performance

  • Provides consistent removal torques for consumer opening.
  • Incorporates both top and side sealing to preserve freshness and product life.
  • Qualified for up to 2.25 liters of product and up to 5 volumes of pressure.

Designed to Drive Sales

  • Wide range of colors available to attract consumers
  • Printing graphics capabilities for decorating closure top
  • Quality under-the-cap (UTC) promotion and top print capabilities create marketing opportunities with consumers, helping grow sales and market share.
  • Marketing expertise to help you develop effective promotional programs

Total Closure & Capping Systems Solutions

  • In addition to quality closures, CSI provides capping equipment and unparalleled customer and technical service, globally.
  • CSI's closure systems solutions help customers maximize profits by increasing the marketability of their brands and optimizing their total cost of operations.
Not all closures are produced in all regions.
Please contact us for more information.