This 53-400 polypropylene continuous thread closure has a ribbed skirt and a smooth top. The included Pressure Sensitive Polystyrene foam liner is printed with 'Sealed For Your Protection.' A pressure sensitive foam liner is designed for packaging dry products such as pharmaceuticals, nutraceuticals and food. It will provide a tight innerseal on both glass and plastic bottles.
NOTE: Pressure Sensitive liners do not provide the consumer any indication of tampering (tamper evidency). If looking for a continuous thread closure with an innerseal that is tamper indicating, contact one of our packaging experts.