Stan's Biobased Suspension Oil. Features: High-performance, premium quality oil crafted with the input of professional mountain bike athletes and mechanics in Whistler, BC Additive-free formula provides extreme lubricity and smooth compressions Triple ester technology protects against wear and reduces friction High oxidative stability Premium biobased formula is made with natural ingredients; biodegradable, non-toxic, and PTFE-free USDA-certified biobased Specs: Viscosity:2.5wt Size:1000ml (33.8oz)