SYNOVA Weed Defender 4 is a 4.1 oz. woven, needle-punched landscape fabric for landscapes and hardscapes. Perfect for the everyday landscaper, this durable, commercial-quality weed barrier features UV protection and a green marker line every 12” for plant alignment. Air and water easily flow through this fabric while weeds are suppressed. The material is resistant to damage from insects and rodents, will not mildew or rot, and has a high puncture resistance.