DS-Lok 28mm and 33mm closures combine design advances with reliable technology from CSI, the industry leader in beverage closure systems and capping equipment.
Protect your distilled spirits with a closure system that delivers outstanding performance, tamper evidence, and premium aesthetics.
DS-Lok 33mm closures ensure that your packages provide product security, won’t leak, and run efficiently in your bottling operations. With optional custom molding, CSI’s DS-Lok closures also enhance your brand identity.
Designed specifically for glass and PET bottles, DS-Lok closures are available in either a 28mm profile or 33mm with a pour fitment.
In addition to precision made quality closures, CSI provides capping equipment and unparalleled customer and
technical service across the globe.
CSI’s closure systems solutions and ongoing innovation help our partners maximize profits by increasing the
marketability of their brands and optimizing their total cost of operations.
