DescriptionThey are widely used by mushroom growers throughout the world.Those bags are durable and can be reusable in most circumstances.Suitable for mushrooms, fungus, grains.Using these bags for running spawn, and the mycelial fermentation cycle can be shortened.Feature- Brand: Yardwe. - Color: As shown. - Material: PVC. - Size: 50 x 8 x 0.1 cm. - These mushroom growing bags are durable and can be reusable in most circumstances. - The mushroom grow bag is designed to stand high temperature to achieve sterilization. - Theyare made of 6 mil PE material, breathable and thick enough. - It is suitable for a variety of mushrooms, bamboo and substrates or grains. - 20pcs mushroom growing bags, perfect for home, farm, greenhouse planting.