Ribbed 63-400 Straight Sided Flat Threaded Closure

What this packaging is

Child-resistant by design and built for high-volume health and wellness lines, the Ribbed 63-400 Straight Sided Flat Threaded Closure from MRP Solutions is a polypropylene cap engineered for gummies, vitamins, pills, and topical ointments. The ribbed exterior improves grip on the line and at point of use, while the flat straight-sided profile keeps shelves looking clean and consistent. Made in the USA, this 63-400 PP closure fits standard 63mm containers and supports decoration via hot stamp, embossing, screen print, and digital print. Available with PCR content for brands building toward more sustainable supplement and pharma packaging.

Why brands choose this

• Made in the USA with accessible minimums: At just 600 units per case, this closure is manufactured domestically — cutting lead times, simplifying logistics, and making it genuinely accessible for emerging supplement brands, limited-edition SKUs, or brands stress-testing a new format before scaling.
• Child-resistant compliance built into a workhorse format: The CR feature supports pharmaceutical and nutraceutical packaging requirements right out of the gate, removing the need for a secondary compliance step — critical for gummy, pill, and ointment brands navigating regulatory packaging expectations.
• Decoration versatility that supports real brand differentiation: Compatible with hot stamp, embossing, offset print, kiss printing, and digital print, this closure gives brand teams multiple paths to a finished, branded look — a meaningful advantage as supplement shelf competition intensifies and consumers increasingly judge quality by pack.

Decoration