100PCS Grain Berries Substrate, Mushroom Growing Spawn Bag Mushroom Spawn Grow Bag High Temp Pre Se

and high qualityUsing these bags for spawning can shorten the hyphal fermentation cycleSquare gusset bags can help increase the number of mushrooms.Suitable for mushrooms, fungus, grains. suitable and bamboo wood ganoderma wood chipsThe venting window design saves a lot of labor and you don't need drilling and oxygenation. and it can separate bacteria by nanotechnology. Polypropylene, high temperature Colour:WhiteMaterial:PVCSize:18x35CMSingle layer thickness: 008mm vent window size: 55x55mm vent window aperture: 02umPackage Contents:100 x Growing BagsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.