* Designed to fit into the bottle neck of all Muc-Off Bike Cleaner and Drivetrain Cleaner bottles for easy refilling * Perfect for refilling Muc-Off Bottle For Life * Collapsible fold up design makes it portable and easy to store * Flexible construction * Easy to clean and dishwasher safe * Made from durable, food-grade silicone that's non-toxic * Working temperature range of -40 degC to 200 degC * Silicone is highly durable and more ocean friendly than plastic * Collapsible design means lower CO2 footprint in shipping compared to a regular plastic funnel * Size expanded: 106 x 43mm * Size collapsed: 25 x 43mm