38/400 White Ribbed Lined Cap – Premium Closure Solution The 38/400 white ribbed lined cap delivers reliable sealing performance for bottles requiring standard neck threading. Featuring a ribbed exterior design for secure grip and enhanced handling, this closure combines durability with consistent application. The integrated liner provides an effective moisture barrier, protecting contents from oxidation and contamination. Ideal for pharmaceutical, cosmetic, and food packaging applications, this cap meets industry standards for compatibility and performance. Stock this essential closure for your bottling operations and ensure product integrity from fill to consumer.