• Mushroom Growing: This all-in-one mushroom growing kit contains everything you need, just add your spores or liquid cultures
• Large Size: Large thickened 8"x5"x20" mushroom grow bag with side gusseted vents to expand space and stand and stay secure
• Excellent Filtration: 0.2 micron filter ventilation window allows free gas exchange and prevents contaminant intrusion
• Durable And Tear-Resistant: 6MIL polypropylene fiber, thicker than most bags, can hold up to 4.2 pounds
• Suitable For a Variety Of Strains: Shiitake mushrooms, Ganoderma lucidum, etc., suitable for all your mushroom growing supplies