Mushroom Grow Bag 250X500X0.06 Grow Mushrooms At Home

  

Bag size: 250x500x0.06 mm. Filter pore size: 0.2 microns. Material: 3.0 mil polypropylene. Suitable for mushrooms, fungus, grains.

Air vent window design saves a lot of labor, you do not require drilling and oxygenation.