50Pcs 200x450x0.06mm PVC Mushroom Grow Seedling Bags Substrate High Temp Pre Sealable

DescriptionName 50Pcs 200x450x0 06mm PVC Mushroom Grow Bag Substrate High temp Pre SealableSpecificationsColor transparentMaterial PolypropyleneSize 200450mm Approx 818 Thickness 0 06mmAir vent window size 5555mmAir vent window aperture 0 2um Featurea Suitable for mushrooms fungus grains b Square gusset bags can help increase the amount of mushrooms c Using these bags for running spawn and the mycelial fermentation cycle can be shortened d Air vent window design saves a lot of labor you do not require drilling and oxygenation And it can isolate bacteria via nanotechnology e Polypropylene high temperature resistance Package included50 x Mushroom Grow Bag