Unicorn Bag Type XLS – Mushroom Grow Bags with 5 Micron Filter (10 Pieces)

Reliable substrate preparation starts with the right bag. The Unicorn Bag Type XLS gives mushroom growers a durable, sterile solution for larger batches, combining generous capacity with dependable filtration. This pack of 10 suits both hobby cultivators and those working at a larger scale.

Each Unicorn Bag Type XLS is made from strong 3.0 mil polypropylene with a Type B filter patch of 5 micron pore size. The gusseted design lets the bag stand upright once filled, while the extra-large 60 x 24 cm format holds several kilograms of substrate or grain spawn per bag.

Why choose these mushroom grow bags with a 5 micron filter?

• Optimal gas exchange: the 5 micron filter supports airflow to the mycelium while helping keep out airborne contaminants.
• Large working volume: the extra-large size lets you prepare bigger fruiting blocks and reduce handling time across multiple batches.
• Fully autoclavable: the polypropylene construction withstands high sterilisation temperatures in pressure cookers and autoclaves.
• Stable and practical: the gusseted base and reinforced bottom seal improve stability during incubation.
• Easy monitoring: the transparent material lets you follow mycelium colonisation without opening the bag.

Suitable applications

These grow bags work well for substrate, grain spawn and large fruiting blocks, and are used with species such as oyster mushrooms, lion’s mane, reishi and shiitake. Seal them with a standard impulse sealer or bag clamp. They pair naturally with a Sterilised Mushroom Substrate Bag (1300g), Thermo Heating Mat and other items from our Mushroom Cultivation Supplies range.

Technical specifications

• Type: Gusseted (folded)
• Material: 3.0 mil polypropylene
• Bag size: 60 x 24 cm
• Filter type: Type B
• Filter size: 5 x 7.5 cm
• Filter pore size: 5 micron
• Quantity: Pack of 10

Frequently asked questions

What is the filter pore size of the Unicorn Bag Type XLS?

Each bag has a Type B filter patch with a 5 micron pore size, measuring 5 x 7.5 cm, which allows air exchange while helping to keep out contaminants.

Are these mushroom grow bags autoclavable?

Yes. The 3.0 mil polypropylene construction is fully autoclavable and withstands high sterilisation temperatures in pressure cookers and professional autoclaves.

How many bags are included and what capacity do they have?

This is a pack of 10 bags. The extra-large 60 x 24 cm format holds several kilograms of substrate or grain spawn per bag, making it practical for preparing multiple batches.

Ready to prepare your next batch? Add the Unicorn Bag Type XLS mushroom grow bags with 5 micron filter to your order and combine them with a Mushroom Growkit Complete Setup for a well-rounded cultivation setup. Dispatched quickly from the Netherlands in discreet packaging.