40% Black 13'x10' Sun Mesh Shade Sunblock Shade UV Resistant Net For Garden Flower Plant Approximately 40-55% shade rate and can be used for flower,vegetable and fruit. It will have no affect for photosynthesis and is more suitable for blocking the sunlight and heat while air can still flow through. If you want to create a comfortable shaded area, this netting will make a much cooler area for you, your family, pets, or garden.. Material: High-density polyethylene. The netting is heavy duty, yet very lightweight. Size: 13' x 10'(4meters x 3meters)