Pack of 50 Mushroom Grow Bags for Spawning 25 x 50 cm with Pre-Mounted 0.2 Aeration Filter and Durable Polypropylene Body 10 20 50 Pieces per Pack (3)

High Temperature Resistance: Made from polypropylene, these bags withstand high temperatures, keeping your growing process efficient and effective. Efficient Fermentation: The innovative design allows for optimal strain flow, significantly shortening the hyphal fermentation cycle and leading to faster harvests. Labor-Saving Ventilation: Featuring a unique vent flap design that eliminates the need for piercing, these bags simplify the growing process while promoting healthy growth. Size Reminder: Please refer to your own size guide rather than Amazon's size chart to find the correct size for your growing needs.