Size: 600 x 400mm Material: 0.13mm thick fiberglass (glass fiber impregnated with Teflon resin and fired) Heat resistance: +270°C, Cold resistance: -150°C This high-strength, high-temperature resistant, and durable cooking sheet is scientifically inert and made of non-toxic fluororesin. It can be used repeatedly, making it economical. Made of durable and safe materials, it can be used many times. Easy to clean, simply wipe with a kitchen paper, and cut with scissors as needed. Storage: After use, wash gently with a soft sponge and a mild detergent.