38/400 Black Lined Cap – Premium Closure Solution for Bottles The 38/400 black lined cap delivers reliable sealing performance for standard bottle applications. Featuring a durable plastic construction with an integrated foam or pulp liner, this closure creates an effective moisture barrier and tamper-evident seal. The 38mm diameter and 400 thread pitch specification ensure compatibility with matching bottle necks, making it ideal for pharmaceutical, cosmetic, and food packaging needs. Black coloring provides a professional appearance while the lined interior prevents product leakage and contamination. Stock this essential closure for consistent, secure bottle sealing across your production line.
