The Ribbed 37-400 Continuous Thread PP Flat Cap, expertly manufactured by Idealpak in China, is a polypropylene (PP) threaded closure tailored for diverse packaging needs. Featuring a 37-400 neck finish, this compact component measures 1.56 inches in diameter and 0.43 inches in height, weighing 3.6 grams. Its ribbed texture ensures a firm grip, enhancing user convenience. This straight-sided flat cap is often applied in packaging for face toners and hair treatments, among various additional formats. Available in both matte and glossy finishes, it accommodates customization through silk screen printing, heat stamping, labelling, spray painting, embossing, and spray coating, allowing brands to tailor the component to specific aesthetic requirements. Explore the practical applications of this China-made threaded closure by requesting a quote or sample from Idealpak.