It's made of super flexible silicone, they slide over hot handles to protect your hands. Heat and flame resistant to 675F, slip and skid resistant, and dishwasher safe. They're great to have have a couple in a kitchen if your pots have metal handles. cookware part Descriptions: 1.100% Grade Silicone Material 2.Heat-Resistant up to 230 Centigrade 3.Non-stick finish, durable, easy-cleaning 4.Any color available 5.Welcome custom design .