Mainly made of high quality metal + silica gel material, to use. The plate is suitable for multi-functional . 15.5cm / 6.1inch diameter Versatile Design for Creativity: This Plate is engineered for multifunctional heat machines, enabling a broad range of printing and design possibilities. Its compatibility with various devices makes it a for professionals and hobbyists alike. Multi-functional, Easy to use, Adjustable temperature and time settings, Suitable for various surfaces