KG’s heat safe oven mitts are stitched with Kevlar, the same material used to make bullet proof vests. They are have a heat range of up to 500F/260C, as well as protecting you from freezing temperatures as low as -134F/92C. They also utilize a unique nabbed texture which provides added insulation, and a non-slip surface. These gloves are also dishwasher safe! To clean, simply place on the top shelf of your dishwasher. This is a set of two gloves.