Mycelium Packaging

Most packaging ends up in a landfill. Mycelium packaging doesn’t — and at Small Food Boxes, we supply it at wholesale prices for businesses that want to do things differently without sacrificing protection or presentation. Grown from mushroom roots and agricultural waste, it’s one of the most genuinely sustainable packaging options on the market right now.

Custom shapes, sizes, and branding options are available to suit your product. Every order includes free design support and free shipping across the USA, with fast turnaround times and bulk pricing built for wholesale. If your business is ready to move away from foam and plastic, get a quote today!

Specification Details Material Options Finishing Choices Add-ons & Features Usage/Application
Dimensions Fully custom shapes and sizes grown to your exact mold specifications; no standard size restrictions Pure Mycelium, Mycelium + Hemp Substrate, Mycelium + Corn Substrate, Mycelium + Straw Substrate Natural unfinished surface, Smooth pressed finish, Custom textured surface Custom mold shaping, Tight tolerance fitting, Nested tray designs, Corner insert options Electronics packaging, Wine bottle protection, Food product inserts, Cosmetic box inserts, Fragile item shipping
Material Composition Mycelium (mushroom root network) grown on agricultural waste substrate; 100% natural and organic composition Hemp hurd, Corn stalks, Rice straw, Wood chips — all combined with mycelium binder Natural uncoated finish, Heat-pressed smooth surface, Moisture-resistant treated surface Zero synthetic additives, No petroleum-based materials, Grown not manufactured Sustainable product shipping, Eco retail packaging, Food-safe inserts, Protective void fill
Biodegradability Fully home-compostable within 30–45 days; breaks down naturally in soil without leaving toxic residue All mycelium substrate options are 100% biodegradable and compostable Natural decomposition finish, No coating required for composting Home compostable certified, Industrial compost compatible, Zero landfill waste Eco-conscious brands, Zero-waste retailers, Sustainable food businesses, Green e-commerce
Structural Performance Comparable compressive strength to EPS foam; excellent cushioning and shock absorption for fragile items Density adjusted based on substrate blend and growth duration Heat-dried rigid finish, Flexible semi-rigid options available Impact resistance, Vibration dampening, Load-bearing capacity up to application spec Fragile product shipping, Electronics protection, Bottle packaging, Appliance inserts
Moisture Resistance Standard mycelium has moderate moisture resistance; treated and heat-pressed options provide enhanced protection Standard Mycelium, Moisture-treated Mycelium, Heat-pressed sealed surface Natural surface (moderate resistance), Sealed pressed finish (enhanced resistance) Water-resistant surface treatment available, Sealed edge options, Humidity-stable construction Food product inserts, Refrigerated item packaging, Damp environment shipping, Cold chain use
Branding & Labeling Custom mold texturing, embossed logos, and printed labels available; branding grown directly into surface Embossed surface branding, Printed paper label overlay, Stamp branding options Embossed logo finish, Debossed text finish, Adhesive label surface Logo embossing during mold growth, Brand name texturing, QR code label zones Premium product packaging, Eco brand identity, Retail shelf presence, Corporate gifting
Food Safety Food-contact safe mycelium options available; FDA-compliant materials used for food packaging applications Food-grade mycelium substrate, GRAS (Generally Recognized As Safe) materials Food-safe surface finish, No toxic off-gassing, Chemical-free composition Safe for indirect food contact, No harmful VOC emissions, Odor-neutral surface Food product inserts, Produce packaging, Artisan food shipping, Specialty food retail
Certifications Home compostable, Industrial compostable, USDA BioPreferred eligible, Vegan and cruelty-free All substrate options meet compostability and biodegradability standards Certifiable finishes, Documentation support available Compost certification documentation, Sustainability reports, Material data sheets B-Corp brands, ESG-compliant businesses, Green retail, Sustainability-certified e-commerce
Quantities From 100 units upward; wholesale bulk orders welcome at any scale Low MOQ of 100 units accessible for small businesses and startups Bulk discounts at 1,000+ and 5,000+ units Tiered wholesale pricing, Multiple mold designs per order, Restock subscription options Startups, Small eco brands, Sustainable retailers, Food producers, E-commerce businesses
Turnaround Time Standard: 14–18 business days (includes growth cycle); Rush options available on request Mold fabrication: 5–7 days; Growth and drying cycle: 7–10 days Rush mold production available at premium rates Tracking updates, Production stage notifications, Expedited drying options Product launches, Seasonal campaigns, Trade show samples, Wholesale restocks
Proof & Design 3D digital mockup, Mold design review, Physical grown samples available before full production Files accepted: AI, EPS, PDF, STL (3D mold files), High-resolution images Dedicated pre-press and mold design support included at no charge Mold design review, Fit testing, Structural assessment, Brand alignment check Prototype testing, Small batch approvals, Full sign-off before full production run
Shipping Free shipping on all wholesale orders across the USA Packed in recycled cardboard for compact, cost-efficient delivery Expedited shipping available, Nationwide USA coverage White-label delivery, Palletizing options, Tracking included, Eco outer packaging Wholesalers, Sustainable retailers, E-commerce businesses, Food producers, Corporate gifting
Design Support Free mold design consultation and review; 3D design templates available at no cost Design expertise across custom mycelium mold formats and insert configurations One-on-one mold design guidance included with every order Product fit assessment, Structural guidance, Brand embossing layout, Custom insert design Agencies, Startups, Eco brands, Food producers, Sustainable retailers, First-time buyers

1. What is mycelium packaging?

Mycelium packaging is a 100% natural, biodegradable alternative to foam and plastic packaging. It is grown from the root network of mushrooms — called mycelium — bonded with agricultural waste like hemp, corn stalks, or rice straw. The result is a rigid, lightweight, and fully compostable packaging material that breaks down in soil within 30–45 days.

2. How is mycelium packaging made?

Agricultural waste substrate is mixed with mycelium spores and placed into a custom mold. Over 5–7 days, the mycelium grows through the substrate and binds it together in the exact shape of the mold. The formed piece is then heat-dried to stop growth and create a firm, stable packaging insert ready for use.

3. Is mycelium packaging strong enough to protect products?

Yes. Mycelium packaging offers compressive strength and cushioning performance comparable to EPS foam. It handles impact resistance, vibration dampening, and load-bearing well enough for electronics, bottled goods, food products, cosmetics, and other fragile or sensitive items.

4. How long does mycelium packaging take to compost?

It breaks down fully in home compost within 30–45 days and even faster in industrial composting environments. Unlike foam or plastic, it leaves zero toxic residue in soil and requires no special disposal process — it can go straight into a garden compost bin.

5. Is mycelium packaging safe for food contact?

Yes. Our food-grade mycelium options use GRAS (Generally Recognized As Safe) materials and FDA-compliant substrates. The surface is odor-neutral, free from harmful VOC emissions, and safe for indirect food contact applications including food product inserts, produce packaging, and specialty food shipping.

6. Can I get mycelium packaging in a custom shape?

Absolutely. Every mycelium packaging order is grown to a custom mold, which means the shape, size, and internal configuration are built specifically around your product. There are no standard size restrictions — share your product dimensions and we’ll design a mold that fits precisely.

7. Can I add my logo or branding to mycelium packaging?

Yes. Logos and brand text can be embossed or debossed directly into the mold surface during the growth process, meaning your branding is literally grown into the material. Printed paper label overlays and stamp branding are also available for additional customization.

8. What substrate materials are used in mycelium packaging?

We use agricultural waste materials including hemp hurd, corn stalks, rice straw, and wood chips as the growth substrate. These are all natural byproducts that would otherwise go to waste, which is part of what makes mycelium packaging one of the most resource-efficient options available.

9. What certifications does mycelium packaging carry?

Our mycelium packaging is home compostable, industrially compostable, USDA BioPreferred eligible, vegan, and cruelty-free. We can provide material data sheets and sustainability documentation to support your brand’s ESG reporting or green certification requirements.

10. What is the minimum order quantity?

Orders start from just 100 units, making it accessible for small eco brands, food startups, and independent retailers. Bulk wholesale orders of 1,000+ and 5,000+ units qualify for tiered pricing discounts. Contact us for a custom wholesale quote.

11. How long does production take?

Standard turnaround is 14–18 business days, which includes the mold fabrication stage (5–7 days) and the mycelium growth and drying cycle (7–10 days). Rush mold production options are available at premium rates for time-sensitive launches or trade show samples.

12. Is design and mold support included?

Yes, free mold design consultation is included with every order. Our team works through product fit assessment, structural requirements, branding layout, and insert configuration so your mycelium packaging performs exactly as needed before full production begins.

13. Can I get a sample before committing to a full order?

Yes. We provide a 3D digital mockup and mold design review before production. Physically grown samples are also available on request so you can test the fit, feel, structural performance, and surface finish of your packaging before approving a full production run.

14. Does mycelium packaging work in humid or cold environments?

Standard mycelium has moderate moisture resistance. For refrigerated, damp, or cold chain applications, we offer heat-pressed and moisture-treated surface options that provide enhanced protection against humidity and condensation without compromising the material’s compostability.

15. How does mycelium packaging compare to EPS foam in terms of cost?

Mycelium packaging typically carries a slightly higher unit cost than conventional EPS foam at lower volumes, but the gap narrows significantly at wholesale quantities. When you factor in the elimination of foam disposal costs, the sustainability value for brand positioning, and the growing consumer preference for eco-friendly packaging, many businesses find the overall value case is strong — particularly at 1,000+ units per order.

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