Continuous thread closure allows you to thread smoothly and seal tightly every time. This 53-400 white polypropylene (PP) plastic continuous thread closure has a smooth skirt and smooth top. It is Unlined. These closure types are widely used across Cosmetics and hair products, Craft paints, Adhesives, Food and Pharmaceutical. Note: Not to confuse Unlined caps with linerless caps, unlined caps are simply regular continuous thread caps with no liner in them. With these caps, the seal is different and not often suitable for liquids but suitable for products, like powders or tablets.
