• Heavy Duty: Extra strong 6 mil polypropylene bags for durable and long-lasting use.
• Large Size: Each bag measures 8" x 5" x 20"; holds up to 5-8 pounds of substrate.
• Breathable Filter: 0.2-micron filter patch supports proper gas exchange to facilitate mushroom growth.
• Clear & Durable: Transparent for easy monitoring; withstands high temperatures for reliable use.
• Stand-Up Design: Gusseted bottom for stable, upright position after filling.