Simple in structure, durable, high quality and inexpensive, with multiple protective functions such as shading of light, cooling, humidification, anti-frost, anti-storm, anti-sandstorm, anti-hail damage, avoiding the damage of birds and insects. It can greatly improve the output and quality of the plants. Unit weight: 8g / m2, 10g / m2, 20g / m2, 28g / m2 and so on Specification: various lengths, width: 1m-18m Color: green, black, black-green and so on