Riisoyu Pack of 20 Mushroom Grow Bags, 32 x 50 cm Spawn Bag, Durable Tear Resistant, Strong with Filter, Growing Plant Bag for Mushrooms, Grains

Square gusset bag: the square shape of the mushroom grow bag provides enough space for mushrooms and substrate to grow. This allows the fungal populations to be increased and growth can be accelerated. The transparent bag allows you to easily observe fungal growth and optimally care for and harvest the mushrooms. Air valve window design: the mushroom grow bag is equipped with 0.2-0.5 micron filter openings that can isolate bacteria by nanotechnology. No need to drill and oxygen. Our mushroom spawning bags are equipped with filter vents to absorb fresh air and prevent unwanted items from entering. High-quality material: the mushroom grow bag is made of safe, non-toxic and high temperature resistant polypropylene, which is not easy to tear or damage. It is perfect for mushroom growing. Can give you long-term use and reusable. Time and labor saving: the use of these spawning bags shortens the fermentation cycle of the mycelium. Allows the organism to grow and mature faster. Compared with bowls and pots, these mushroom grow bags save time and effort, and the transparent bags make it easier to observe the growth of the mushrooms. Various uses: the mushroom spawning bag is widely used in indoor gardens, for growing in tents or greenhouses, in agricultural enterprises, etc. Excellent for growing mushrooms, mushrooms, crops and other plants.