Give your customers peace of mind, and keep your products safe from tampering. These clear perforated PVC shrink bands are easy to use; and work great with standard caps and droppers. This 38mm x 25mm size is perfect for bottles and closures with a standard 20-400 finish. To learn our easy method of application, click here. These shrink bands WILL NOT work with Child Resistant closures of any kind, as the diameter of child resistant caps is larger than standard 20mm.