Woven Ground Cover 3 OZ - White - 12' x 300'The white ground cover is a 3 oz., woven, geotextile fabric. Strong, durable, and resistant to weed penetration, this ground cover helps to reflect light and reduce heat on your plants. Its especially useful when used in a greenhouse. It helps retain moisture on the soil, making sure newly planted seedlings wont dry out. In addition, a ground cover promotes a cleaner greenhouse environment, prevents dust and debris from being stirred up while working