Prevent liquids from boiling over with the simple and effective Avanti Boil Alert Disc.Suitable for use with all liquids, including milk, cream, sauces and water, this unique aid warns you when water starts to boil in a saucepan letting you know its time to reduce the heat or remove. Made of durable food-safe stainless steel, it wont corrode after repeated use and is dishwasher safe. Easy to use, simply place the disc in the bottom of a saucepan, (it does not matter which way up) and the boil alert will rattle once the water reaches the boiling point. No spills, no mess, and no need to stand over the hot stove.Features:Rattles to alert you when liquid is boilingSuitable for use with all liquids, including milk, cream, sauces and waterBPA FreeDurable stainless steelDishwasher safe