Durable 3.2 oz woven polypropylene fabric resists tearing and weed penetration while still allowing air, water, and nutrients to pass through. Great for cooling the soil and conserving water. Ideal for greenhouses and field plantings. Striped every 12 inches to aid in plant alignment and UV-stabilized to protect against sunlight degradation. Secure with fabric staples or sandbags. 5-year guarantee against UV deterioration.