100 Pack of 15 x 50cm grow bags designed to provide ample space for mushroom cultivation, including spawn, substrate, and fruiting. These side-gusseted, breathable bags are self-standing and durable. Tear-resistant construction withstands high temperatures during sterilization, with heat resistance up to 121–125°C. Equipped with a 2-micrometre filter patch that allows for efficient gas exchange while keeping contaminants out. The transparent material enables easy monitoring for contamination. Ideal for growers worldwide, these bags save significant space compared to traditional trays or tubs. Suitable for inoculating media with mushroom spawn, cloning oyster mushrooms, and other mushroom cultivation applications. Dimensions: 15cm x 50cm (5.9 x 19.7 inches) Material: Polypropylene (PP) Color: Transparent Closure: Can be sealed using an impulse sealer or by tying. Reusable in most cases. Note: Water content in the substrate should be properly balanced to ensure adequate airflow and optimal mycelium growth. Excess moisture may hinder oxygen exchange and slow down colonization. Package includes: 100 x Mushroom grow bags Only the items listed above are included. Note: Lighting and display settings may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3cm.