Weed Warrior .095X100 Heavy Duty Trimmer Line is biodegradable and ultra-long lasting. It s a professional grade crimped trimmer line that was designed in partnership with lawn care professionals taking into consideration their need for performance and durability. Using innovative technology we’ve created a nylon trimmer solution that is not only tougher but also biodegradables *60x faster than conventional trimmer line in an anaerobic landfill. You can have line that lasts longer while cutting and degrades faster when you’re done. *49.5% biodegradation within 2 years via ASTM D5511 test method in an anaerobic landfill. Anaerobic landfills may not exist in your area. Note that stated rate and extent of degradation do not mean the product will continue to decompose. Trimmer line remnants left in the yard may not experience this same level of biodegradation. Not for sale in CA MD MI or WA.