The white polypro smooth closure comes with a PS22 liner, that is printed "SEALED for YOUR PROTECTION ". The PS22 liner is a pressure sensitive liner that adheres to the container once the closure is securely screwed on. When the cap is removed the seal remains on the container, and can be removed by being peeled off. As always, be sure to test all cap and container options with your products for proper compatibility. *Note: 2100-47B has liners that are not printed.
* These caps are NOT recommended for glass containers
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