This handy Jam Thermometer is perfect for all types of uses in the kitchen. Made from toughened glass, it features a clear scale and stainless steel clip. A smooth exterior prevents any residue from sticking and allows the thermometer to be washed easily by hand. · Glass Jam Thermometer by Farringdon · Complete with a clear scale and stainless steel clip, this thermometer is ideal for all types of culinary uses in the kitchen · East to use and clean thanks to its smooth exterior