The Monomaterial Wood 18-400 Round Diffuser Cap by mPackting offers a refined and eco-conscious finishing solution for fragrance and home ambiance products. Designed with a smooth, circular silhouette, this overcap is compatible with standard 18-400 neck finishes and functions as both a protective diffuser cap and a visual enhancement to your glass packaging.

Constructed entirely from FSC-certified wood, this component represents mPackting’s unwavering commitment to sustainable packaging. Its monomaterial, bio-based design is 100% recyclable, offering an elegant alternative to plastic closures. Manufactured in both Italy and the USA, the diffuser cap supports localized supply chains and reduced transportation emissions—contributing to a more responsible packaging footprint. 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.

Available in high-end finish options such as Spray Varnishing, Oil Finishing, and Glossy, the cap’s natural wood texture can be tailored to suit any aesthetic. Custom decoration methods like Laser Engraving, Silk Screen Print, Heat Stamping, Spray Coating, and Embossing are also available with a minimum order of 25,000 units and an 8–10 week lead time. The Monomaterial Wood 18-400 Round Diffuser Cap is the perfect blend of functionality, sustainability, and visual sophistication—ideal for brands committed to premium wood packaging.