The 38/400 black lined cap offers a premium closure solution for standard bottles. Made of durable plastic with an integrated foam or pulp liner, it provides an effective moisture and leak barrier. Compatible with 38 mm, 400 thread finish, it is ideal for food, cosmetic, and pharmaceutical applications. The sleek black finish ensures a professional look while the lined interior prevents contamination. Convenient and reliable, it guarantees consistent sealing performance across production lines.