Resilux 42.5g 28-400 Cosmo PET Preform

What this packaging is

A precision-threaded 28-400 Cosmo neck finish defines this 42.5g PET preform, engineered for stretch blow molding into rigid bottles across personal care and household categories. The standardized neck diameter ensures broad compatibility with 28-400 closure systems, while the 42.5g material weight delivers consistent wall thickness suited for body wash, shampoo, dish soap, hand soap, body lotion, face cleanser, and surface cleaner applications. Custom color options are available with an eight-week lead time for tailored production runs. Made in the USA, this preform supports domestic brands looking to simplify sourcing and shorten supply chains for high-volume rigid bottle programs.

Why brands choose this

• Standardized 28-400 Cosmo finish, maximum closure flexibility: The 28-400 Cosmo neck finish is one of the most widely used standards in personal care and household packaging, meaning brands can source closures from multiple vendors without tooling changes or compatibility testing headaches.
• Domestic manufacturing, shorter supply chain: Produced in the USA, this preform reduces lead times and customs complexity for North American brands running high-volume bottle programs — a real advantage when production schedules are tight and offshore delays aren't an option.
• Multi-category versatility for broader brand ranging: A single preform format spanning body wash, shampoo, dish soap, hand soap, lotion, face cleanser, and surface cleaners gives brand teams a shared upstream component across an entire product portfolio, simplifying procurement and inventory management.