The RYOBI Biodegradable Bar & Chain Lubricant allows you to work clean & toxin free. This environmentally friendly lubricant is made from plant-based, biodegradable materials. It contains no petroleum for safe use in all environments. Easily wash away with water for no staining of your pavement & clothing. The lubricant provides ultimate protection for your bar and chain with high heat capacity and reduced wear. The high tack formula helps reduce sling & throw off. The RYOBI Biodegradable Bar & Chain Lubricant is compatible with all chainsaws.