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Mushroom Bags (Unicorn, 14# & 10T)

5.00 out of 5
(3 customer reviews)


Unicorn mushroom growing bags are made in the USA and used extensively in mushroom production facilities world-wide.

They offer specialist single patch air filters on each of the bags which provide adequate air exchange whilst filtering out contaminants

Hand-Packed with ❤ in Bristol, UK.

We offer the two most popular types of mushroom grow bags, the Unicorn 14#/14A and the Unicorn 10T. Both are made from polypropylene with a single breathable filter patch and are a cheaper alternative to our premium multi-filter SacO2 bags.

  • Unicorn bags are the industry leader and are used world-wide by commercial mushroom growing operations
  • Developed and produced by an established company with a good reputation.
  • Suitable for both substrate and spawn production
  • Can be opened by hand or by automated substrate bagging machines
  • Easy to heat seal
  • Re-useable
  • Suitable for autoclave sterilisation up to 135°C (275°F).

Unicorn 14#/14A – Most suited to spawn production and colonisation of wood based substrates.
– 32 x 50cm (13 x 19 inches) in size
– Can hold up to 3 kg of medium
– Side Gusseted
– Type 14#/14A has a 0.5 micron Polypropylene filter
– 2.2mil Polypropylene bag

Unicorn 10T – Most suitable for substrate production
– 13 x 46cm (9 x 18 inches) in size
– Can hold up to 1.3 kg of medium
– Side Gusseted
– Type 10T has a 0.2, high-efficiency PTFE/Polypropylene filter
– 3.0mil Polypropylene bag


Free delivery on all orders over £150

Backed by our 100% Satisfaction Guarantee.



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3 reviews for Mushroom Bags (Unicorn, 14# & 10T)

  1. 5 out of 5


    Genuine unicorn bags in popular bag sizes. I go through 100's of these a month so good to find a reliable seller. 2 days to be delivered and well packaged. Thanks

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  2. 5 out of 5


    genuine supplier, lowest bulk price i could find including delivery. you also get a couple of free sample products to try and a chocolate bar! Tasty 😀

    1 out of 1 people found this helpful. Was this review helpful to you?
  3. 5 out of 5

    Snake Eyes

    Industry standard bags at a good price. Options to buy in small quantities is very nice

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Additional information

Bag Type

14#, 10T


1, 10, 25, 50, 100, 250, 500

100% FREE Mushroom Giveaway


FREE P&P | No Purchase Necessary | One Per Household.

Send Me Some Mushrooms!

Free Mushroom Selection Box

A selection of our finest organic dried mushrooms

No catches, we'll send one to you a dried gourmet mushroom selection box for free, we'll even pay the postage.
Why are they free? We just want to let you sample our mushrooms, if you like them, (which we're sure you will!), you might want to buy some more from us in the future.