50PCS 15x50/15x35cm PVC Mushroom Spawn Grow Bag Substrate High Temperature Resistance Sealable

Feature 1 Suitable for mushrooms fungus grains 2 Square gusset bags can help increase the amount of mushrooms 3 Using these bags for running spawn and the mycelial fermentation cycle can be shortened 4 Air vent window design saves a lot of labor you do not require drilling and oxygenation And it can isolate bacteria via nanotechnology 5 Polypropylene high temperature resistance Specification ColorTransparentMaterialPolypropyleneSize150x500x0 06mm 150x350x0 06mmAir vent window size55 55mmAir vent window aperture0 2umNotice 1 Please allow 1 5mm error due to manual measurement Please make sure you do not mind before you bid 2 The colors may have different as the difference display please understand Package include 50 XMushroom Grow Bag