Planting Breathable Edible Fungus Mushroom Growing Bags Garden Supplies Spawn Bag Cultivation

Label:Yes Package Included: 20 × Mushroom Grow Bag Size: 250×500mm (Approx. 10×20") Air vent window size: 55×55mm Material: Polypropylene Color: Transparent Thickness: 0.06mm Air vent window aperture: 0.2um

Features: - Suitable for mushrooms, fungus, grains. - Square gusset bags can help increase the amount of mushrooms. - Using these bags for running spawn, and the mycelial fermentation cycle can be shortened. - Air vent window design saves a lot of labor, you do not require drilling and oxygenation. And it can isolate bacteria via nanotechnology. - Polypropylene, high temperature resistance.