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Purpose-built for brand owners, specialty product manufacturers, and bulk packaging buyers, this cap elevates product shelf appeal while ensuring airtight, long-lasting protection for your jarred goods. With universal thread compatibility and extensive customization options, it is the ideal packaging component for businesses looking to differentiate their premium product lines.
Our metal screw cap for glass jars features a high-gloss shiny aluminum shell, delivering a sophisticated, high-end finish that elevates your product packaging above standard plastic alternatives. The reflective metal surface enhances shelf visibility, making it perfect for premium brands in specialty food, luxury cosmetics, and home fragrance markets.
The innovative aluminum-polypropylene dual design combines the structural and aesthetic benefits of metal with the food-safe, chemical-resistant properties of polypropylene. The inner polypropylene liner creates an airtight, leak-proof seal, preventing oxidation, moisture intrusion, and contamination, while the rigid aluminum shell resists dents and deformation during shipping and handling.
Our 45mm aluminum polypropylene jar cap offers industry-leading customization capabilities to align with your brand’s visual identity. From custom color matching to multiple logo application techniques, we help you create a one-of-a-kind packaging component that reinforces brand recognition across all your product lines.
Precision-engineered 45-400 threading ensures a perfect, consistent fit with all industry-standard 45-400 neck glass jars, eliminating compatibility issues and streamlining your packaging production process for bulk commercial runs.
Feature | Specification |
Core Materials | High-Grade Aluminum Exterior, Food-Safe Polypropylene Inner |
Thread Standard | 45-400 |
Dimensions (W×H) | 48mm×14.5mm |
Color Options | Silver, gold, black, rose gold, or fully customized color |
Surface Finish | Shiny (standard) or matte |
Logo Customization | Silk screen printing, two times oxidation, embossing |
Our custom metal shell jar cap is optimized for diverse commercial glass jar packaging needs, including:
Glass jars for specialty food products (artisanal jams, nut butters, spices, gourmet sauces)
Luxury skincare and body butter glass jars
High-end scented candle glass jars
Glass containers for herbal supplements and wellness products
Handmade craft and gift product glass packaging
We provide comprehensive customization support for business clients, tailored to your brand’s unique requirements. Our in-house manufacturing team delivers precise custom color matching, adjustable surface finishes, and multiple logo application methods including embossing and two-time oxidation for a premium, long-lasting brand mark. We offer flexible minimum order quantities to accommodate both small-batch specialty brands and large-scale national manufacturers, with rapid prototyping and production lead times to meet your project timelines.
Every 45-400 shiny metal screw cap undergoes strict multi-point quality testing before dispatch, including airtight seal validation, thread fit accuracy checks, scratch resistance testing, and oxidation resistance assessments. Our production facilities operate under strict ISO quality management systems, and all materials meet global food contact and cosmetic packaging compliance standards, including FDA and EU regulations, ensuring your products meet international regulatory requirements for global distribution.
This cap features a durable, high-gloss aluminum exterior shell paired with a food-safe polypropylene inner liner and thread core for optimal seal performance and safety.
It is engineered to fit all industry-standard 45-400 neck glass jars, making it compatible with most common glass jar packaging for food, cosmetics, and home fragrance products.
We offer three premium logo application methods for bulk orders: silk screen printing, two times oxidation, and embossing, to create a durable, high-quality brand mark.
Yes. While our standard offering is a high-gloss shiny finish, we also provide a matte surface finish option for brands seeking a more understated, modern aesthetic.
