1", Roasting's Floating Slow Cooker Thermometer, Accurately Reads Temperatures Of Liquids When Boiling, Poaching, Steaming & Slow Cooking Foods, Stainless Steel, BPA Free, Easy Read Face, Stay Cool Buoy Is Removable For Easy Cleaning, Floats To Read Temperatures From The Surface As Foods Cook 20-220-Degrees Fahrenheit, Perfect For Sauces, Soups, Chilies & Stews.