Smooth 20-400 Straight Sided Flat Threaded Closure

What this packaging is

A smooth, flat-top profile with ribbed sides gives this 20-400 threaded closure a clean, functional grip consumers can count on. The Smooth 20-400 Straight Sided Flat Threaded Closure is a white PP cap engineered to pair with weld spouts, pouch caps, and squeeze pouch caps, making it a natural fit for flexible packaging formats. Its 20-400 neck dimension delivers a secure, consistent thread engagement across a wide range of containers. Manufactured in Germany, it brings European production precision to lip, eye, face moisturizer, body lotion, vitamins, and hair treatment applications where reliable sealing is non-negotiable.

Why brands choose this

• Engineered for flexible packaging formats: The 20-400 thread spec pairs directly with weld spouts, stand-up pouch caps, and squeeze pouch caps, giving brand teams a reliable closure option for the flexible packaging formats growing rapidly across beauty, wellness, and personal care categories.
• Multi-category range with one SKU: From lip and eye products to body lotion, vitamins, and hair treatments, this closure spans enough end-use categories that development teams can standardize on a single cap spec across a broad product range, reducing component complexity and simplifying procurement.
• German manufacturing precision where seal integrity matters: Produced in Germany, this closure brings tight dimensional tolerances to a format where consistent thread engagement and leak-proof performance directly affect product quality and consumer trust, whether the pack is going on-shelf or into e-commerce fulfilment.