FarmGeneration Mushroom Grow Bags 10-Pack, 0.2 Micron Filter, Extra Strong Thick 6 Mil Bags Breathable Autoclavable CO2 Myco Spawn Growing Bag, Large Size 20*5*5 inch FRM-BAGS-10

Large Size, Great Value 50 Pack of 5 X 6 X 20 Grow Bags that allow plenty of room for mushroom growing and spawn, substrate and fruiting. These side-gusseted & breathable bags stand up and hold strong. Tear Resistant 2x thicker than most bags, these are designed to withstand high temperatures that come with sterilization. Excellent Filtering .2 Micron filter patch allows for gas to freely be exchanged, while keeping pollution out. The clear bag helps to quickly spot any instances of pollution. Grow Like A Pro Mushroom growers around the globe use these bags to dramatically reduce space needed to grow or spawn mushrooms when compared to trays, tubs. Multi Use For inoculation of media with mushroom oyster spawn, clone oyster mushrooms and more – you’ll have magic unicorn results!