The Monomaterial Wood 33-400 WOODRING™ Threaded Closure by mPackting represents a breakthrough in sustainable packaging—offering the market’s first fully wood-based threaded cap without compromising performance or precision. This closure is fully customizable and can be formed to match your exact brand vision and is available in a range of FSC-Certified woods including Ash, Beech, Mahogany and more. Designed for 33-400 neck finishes, this straight-sided, flat-profile closure is ideal for a range of personal care applications including face moisturizers, lip care, eye creams, body scrubs, and hair treatments.

As part of the patented WOODRING™ system, this threaded closure eliminates the need for plastic inserts or liners, delivering a monomaterial solution that is entirely recyclable and crafted from FSC-certified wood. The internal threading is machined directly into the wood, ensuring a secure, reliable seal while maintaining the purity of materials and a clean aesthetic. This not only reduces material complexity but also supports zero-waste packaging initiatives for eco-conscious brands.

Available with premium finishes like Spray Varnishing, Oil Finishing, and Glossy coatings, the WOODRING™ closure brings a refined, tactile experience to any jar or bottle. Custom decoration techniques such as Laser Engraving, Silk Screen Print, Heat Stamping, Spray Coating, and Embossing allow for elegant branding across surfaces. With a minimum order quantity of 25,000 units and an 8–10 week production lead time, the Monomaterial Wood 33-400 WOODRING™ Threaded Closure is the perfect solution for brands committed to clean beauty, sustainable packaging, and premium wood design.