This 38-400 black polypropylene (P/P) closure has a smooth skirt and a smooth top. It also includes a F217 foam liner. The liner is a plain general purpose foam liner that provides good chemical resistance and a low moisture transmission rate.
Please note that this plain foam liner does not provide the consumer any indication of tampering (tamper evidency).
This 38-400 white P/P closure is commonly used for: Pharmaceutical Items Nutraceutical Items