A wonderful kitchen gadget that makes boiling easier and helps keep your hob cleaner. Heat resistant, really easy to clean and its universal fit means it can be used on a wide variety and range of pans. Simply place the Zeal silicone boil over lid onto the pan when in use to prevent hot liquids from spilling over onto the hob. Ideal for use with potatoes, vegetables, pasta, rice or when heating liquids or milk.