Open cell foamed silicone pads are a type of heat-resistant material that is used in heat press transfer and dye sublimation projects. They are designed to provide even pressure and heat distribution during the transfer process, which helps to ensure that the final product is of high quality. Open cell foamed silicone pads are made from a special type of silicone that is heat-resistant and durable, making them ideal for use in a variety of applications.