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

Description Name: 50Pcs 200x450x0.06mm PVC Mushroom Grow Bag Substrate High temp Pre Sealable Specifications Color: transparent Material: Polypropylene Size: 200450mm (Approx. 818") Thickness: 0.06mm Air vent window size: 5555mm Air vent window aperture: 0.2um Feature a 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 included 50 x Mushroom Grow Bag