All in One 5 Pound Spawn Bag, Rye & Compost Mushroom Grow Kit – MycoHaus
Reinforced Mushroom Grow Bags, 25 Count, Oyster Spawn and Grain Root Substrate Growing Kit with 0.2 Micron Filter, Large 8” x 5” x 20”, Thickest Available Heavy Duty 3 Mil Polypropylene Plastic
3lb Sterilized Grain Mushroom Bag With Injection Port - Etsy