Living Material

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What is Living Material?:

10 lb bags of our MycoComposite™ material (hemp hurd and mycelium blend) already hydrated and growing for 5 days. Ready to break up, add 3/4 cup of flour, and pack into molds to continue to grow for 5 more days. Because this material is alive, it must be kept refrigerated and used within 2 weeks of receipt.

This is a living material and requires refrigeration and expedited shipping.

Overnight shipping only and within the continental U.S.A. We ship weekly on Wednesdays. Orders placed before 9 am Wednesday will ship, and orders placed after 9 am Wednesday will ship the following week.  Please plan appropriate lead time.

If you select Pickup at check out, the community pickup window is Fridays from 1-2 pm. See our Shipping policy for more information. Only ships to the USA.

Also available by the pallet (100 bags.) For large-quantity orders, please contact us directly at


How-to Video



Spec Sheet

Material Specs

    • Density: 7.6 lbs/ft3
    • Compressive Stress/Strength at 15% compression: 18 psi
    • Flexure Strength: 34 psi 
    • Volume per bag: 1 ft3

    By purchasing this material you are agreeing to the terms in the GIY licensing agreement.