Innovative Dual Filter: Unique dual-sided 0.5 micron filter patches on both sides of each bag offer unparalleled fresh air exchange, promoting healthier and more vigorous mushroom growth. Extra-Large and Robust Design: Sized at 10"x5.5"x26" (XLS) and crafted with a durable 3 mil thickness, these bags provide ample space and strength for substantial mushroom cultivation. Sterility Assured with Autoclave Capability: These premium bags are autoclavable, ensuring a sterile environment for your mushroom substrates, crucial for optimal growth and yield. Enhanced Growth Conditions: Our grow bags create an ideal microclimate for mushrooms, thanks to the meticulously designed filter patches that balance humidity and gas exchange, crucial for optimal mycelial growth and fruiting. Versatile Use: These bags are suited for a wide range of mushroom substrates, making them a versatile choice for growing various types of mushrooms, from specialty to common varieties. Introducing the Olympus Myco Lightning Bags, revolutionizing mushroom cultivation with their state-of-the-art dual-sided filter patch design. This unique feature, consisting of a 0.5 micron filter on both sides of each bag, maximizes fresh air exchange, a critical factor in mushroom growth. This enhanced air flow not only promotes healthier mycelial development but also significantly boosts mushroom yield and quality. Each bag in this 25-pack set is generously sized at 10"x5.5"x26" and constructed with extra-thick 3 Mil polypropylene, ensuring durability and suitability for large-scale mushroom substrate handling. The autoclavable nature of these bags offers the utmost convenience, allowing you to maintain a pristine growing environment for every flush. Whether you're a hobbyist exploring the fascinating world of mycology or a commercial grower seeking efficiency and high yields, the Olympus Myco Lightning Bags are your ideal companion. Their versatility extends to various mushroom substrates, making them suitable for a diverse range of fungi, from exotic species to traditional favorites. Embrace the advanced features of the Olympus Myco Lightning Bags and experience a new level of success in your mushroom cultivation endeavors. Trust in our commitment to quality and innovation to elevate your growing journey.