Smooth 100-400 Straight Sided Threaded Closure

What this packaging is

A wide 4.06-inch diameter and straight-sided silhouette make this closure instantly recognizable on a shelf full of jars. The Smooth 100-400 Straight Sided Threaded Closure is a polypropylene cap engineered for 100-400 neck finish jars, delivering a consistent, secure thread engagement across body scrub, hair mask, hair treatment, and powder formats. Made in the USA, it supports faster domestic sourcing and tighter production timelines. The smooth exterior accepts labeling and Tampo pad printing for clean, brand-specific decoration. For brands building out large-format jar programs, this closure brings reliable performance and a canvas ready for customization.

Why brands choose this

• USA manufacturing keeps your timelines tight: Made domestically, this closure supports faster replenishment cycles and removes the complexity of international customs clearance, making it a dependable choice for brands managing active production schedules.
• Built for large-format, high-impact jar categories: The 4.06-inch diameter and 100-400 thread finish are purpose-matched for body scrubs, hair masks, and powder formats where wide-mouth jars dominate. The straight-sided profile gives decorators a clean, flat surface to work with and reinforces a bold, confident shelf presence.
• PCR content available for brands with sustainability targets: This closure can be sourced with recycled polypropylene content, giving brand teams a concrete material-reduction story without switching formats or suppliers.