55PACK Mushroom Grow Bags, Large Extra Thick 6 Mil Spawn Bags, 8" X 5" X 20" 0.2 Micron Filter Breathable, Mushroom Growing Bags for Substrate Autoclavable, Mushroom Bag Tear Resistant Strong (55) - FITWICK

• UPC   713040670606
• Perfect thickness: Mushroom grow bags 3.2 mil with 0.2 Micron filter is ideal for any purpose. The large size: 20 x 8 x 5 inch allows for growing mushrooms easily. Provide a healthy environment for the growth of mushrooms. High quality material: Mushroom spawn bags made of polypropylene material, create the passage of air but not contaminants. The breathable mushroom bags provide gas exchange, but exclude water vapor. High temperature resistant: Mushroom growing bags resist up to 399°F (126°C). You can put them in a pressure cooker, steam sterilizer or autoclave (They should be covered with a layer of aluminium foil before sterilize). The mushroom bag won’t be melted or stick to one another. Great design and durable: After filling the mushroom growing bags, they will stand up sturdily and have a strong bottom seal. Withstanding a maximum weight of 5lbs, the bottom is durable when being used. Reusable mushroom grow bags: You can seal them with an impulse sealer, taped or tied shut at the ends. These bags are an economical choice to grow mushrooms.