50Pcs 414 Inch PVC Mushroom Substrate Grow Seedling Bags High Temp Pre Sealable

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Description50Pcs 98x350x0.06mm PVC Mushroom Grow Bag Substrate High temp Pre SealableSpecificationsColor: transparentMaterial: PolypropyleneSize: 98x 350mm (Approx. 4x 14")Thickness: 0.06mmAir vent window size: 55x 55mmAir vent window aperture: 0.2umFeaturea 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 include50/100 x Mushroom Grow Bag