The MRP Solutions Ribbed 53-400 PP Threaded Closure is a straight-sided, flat cap designed for pharmaceutical and nutraceutical packaging applications. This closure features a 53-400 neck finish, providing compatibility with a wide range of bottle types commonly used for topical ointments, cough syrups, and antacid packaging. Manufactured from polypropylene (PP), the cap incorporates a ribbed exterior for grip and a child-resistant mechanism for regulated product formats. The threaded design ensures a secure fit that supports product protection and controlled dispensing.

This 53-400 polypropylene closure is supplied in white and supports multiple decoration options, including offset print, embossing, heat stamping, tipping, kiss printing, and digital print for custom branding requirements. The cap is available in cases of 750 units, with each case weighing 24.00 lbs and measuring 23.06 x 15 x 10.04 inches. As part of MRP Solutions’ threaded closure lineup, this component is suitable for use on compatible plastic or glass bottles requiring child-resistant safety features. The 53-400 PP threaded closure provides a functional and compliant packaging solution for regulated health and wellness product categories.