50pcs 10x20 Inch Pvc Mushroom Spawn Grow Bag Substrate Hight Temp Pre Sealable Garden Supplies Grow (haoyi

Name: PVC Mushroom Grow Bag Substrate High temp Pre Sealable Model: A03852 Size: 250500mm (Approx. 1020 inch) Thickness: 0.06mm Air vent window size: 5555mm Air vent window aperture: 0.2um Suitable for mushrooms, fungus, grains. Square gusset bags can help increase the amount of mushrooms. Using these bags for running spawn, and the mycelial fermentation cycle can be shortened. Air vent window design saves a lot of labor, you do not require drilling and oxygenation. And it can isolate bacteria via nanotechnology. Polypropylene, high temperature resistance. Color: Transparent Material: Polypropylene Package Contents: 50 * Mushroom Grow Bag Only 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.