Introducing the Muc-Off Collapsible Silicone Funnel, a versatile and eco-friendly tool designed for easy refilling of various Muc-Off products. This funnel is perfect for refilling your Bottle For Life with options like Punk Powder, Nano Tech Concentrate, or Drivetrain Cleaner. Its collapsible, fold-up design makes it highly portable and easy to store. The flexible construction ensures it fits easily into the bottle neck of all Muc-Off Bike Cleaner and Drivetrain Cleaner bottles. Made from durable, food-grade silicone, it is non-toxic, easy to clean, and dishwasher safe. Silicone is a highly durable material and is considered more ocean-friendly than plastic. The collapsible design also contributes to a lower CO2 footprint during shipping compared to regular plastic funnels.