About This

【3Mil Mushroom Grow Bags】You will receive 50 Excellent mushroom grow bags (Size: 4"x3"x20") made with 3Mil thickened material, providing an ideal environment for mycelium growth, spawning, and substrate cultivation. Enhances mushroom yield and quality effectively.
【Excellent Polypropylene Material】Our professional 3Mil PP mushroom grow bags withstand sterilization temperatures (121°C+) and pressure while resisting tears. The breathable material maintains a sterile environment for healthy mycelium growth, and the transparent design lets you monitor progress without opening the bag - making cultivation clean and simple.
【0.2-Micron Filter Patch】Equipped with a precision filter, these bags block 99% of contaminants while allowing proper air exchange. This promotes healthy mycelium development and robust mushroom production.
【Optimized Growth Space Design】The dimensions ensure full mycelium colonization and provide ample room for fruiting body (mushroom) development, maximizing both yield and quality.
【Versatile Mushroom Cultivation】Ideal for growing oyster, shiitake, lion’s mane, reishi, and more! Whether you’re a home grower, lab researcher, or commercial cultivator, these bags support every stage—from spawn run to full fruiting cycles. A reliable choice for hassle-free mushroom farming!