The Monomaterial Wood 18-400 Circular Diffuser Cap from mPackting is a premium sustainable packaging solution designed for home and personal fragrance applications. Made entirely from responsibly sourced wood, this overcap features a circular profile and friction-fit closure compatible with 18-400 neck finishes—ideal for reed diffusers, room sprays, and fragrance oils.

Part of mPackting’s Diffuser Cap line, this component emphasizes the beauty of minimalist wood packaging while supporting your brand’s environmental values. Constructed from 100% bio-based wood and fully recyclable, this monomaterial diffuser cap is a smart alternative to conventional mixed-material closures. Local manufacturing in both Italy and the USA supports regional production and reduces logistical emissions. 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.

Custom finish options include Spray Varnishing, Oil Finishing, and a natural Glossy effect, enabling brands to emphasize the organic appeal of real wood material. For full customization, decoration methods such as Laser Engraving, Silk Screen Print, Heat Stamping, Spray Coating, and Embossing are available with a 25,000 unit minimum and an 8–10 week production lead time. The Monomaterial Wood 18-400 Circular Diffuser Cap is a standout in sustainable home fragrance packaging—combining refined aesthetics with eco-conscious innovation.