28/400 White Ribbed Lined Cap – Premium Closure Solution The 28/400 white ribbed lined cap delivers reliable sealing performance for bottles and containers across beverage, pharmaceutical, and personal care applications. Featuring a ribbed exterior design for secure grip and a protective liner that ensures tamper-evident closure, this cap maintains product integrity while preventing leakage. The 28mm diameter and 400-thread finish provide universal compatibility with standard bottle necks. Constructed from durable plastic, it offers cost-effective packaging without compromising quality. Ideal for manufacturers seeking dependable, food-grade compliant closures in bulk quantities.