8 Packs of 50 Feet Weed Warrior All Purpose Universal Fit Trimmer Line. 

Weed Warrior .080 in. x 50 ft. All Purpose Trimmer Line is biodegradable with maximum-durability.  The aerodynamic twist shape reduces line resistance and vibration, which extends the battery life and keeps the trimmer from slowing down. Using innovative technology, we’ve created a nylon trimmer solution that is not only tougher but also biodegrades* 60x faster than conventional trimmer line in an anaerobic landfill. 

• Weed Warrior .080 in. x 50 ft. Biodegradable Trimmer Line
• Biodegrades* 60x faster than a conventional trimmer line in an anaerobic landfill
• Universal fit
• Durable and Long Lasting