Muc-Off Dry Lube is a highly versatile, dry weather chain oil that has state of the art penetrative qualities to ensure that the lube is driven deep into each chain link's core. And there's no need to worry because Muc-Off Dry Lube is biodegradable, so it's safe for you, your bike, and the planet. This version features the 50ml container size. Features: Wax-based, biodegradable formula excels in dry, dusty conditions Added protection against contaminants Ensures silky smooth gear changes Can be applied to chain, shifters, cables, and derailleurs Pipette system for easy application 50ml size