LOSTRONAUT60-Pack Mushroom Grow Bags | Extra Strong Large Size Breathable Autoclavable Spawn CO2 Bag for Growing Mushrooms | Tear-Proof 6'' x 5'' x 20''.2 Micron Filter, 4.8mil

LOSTRONAUT 60-Pack Mushroom Grow Bags - Extra Strong, Large Autoclave Bags with 2 Micron Fiber for Spawn, CO2 Control, Cultivation Kit & Gardening Supplies - Mushroom Growing Kit

ZWXT 100PCS Mushroom Planting Kit - 8"5"20" Thickened Growing Bags, 6 Mil Thick Durable, Tear Resistant, 0.2 Micron Porosity Resistant High Pressure Spawning Bags

Outward Creations 40 Pack, Mushroom Grow and Spawn Bags - Extra Thick Polypropylene Material, Tear Resistant - Size 13" x “4 x “4 with 0.2 Micron Filter Breathable - Spawn Rye