This is a square burner pad from Uniflame. It's used for grilling with a burner and preventing scorching of titanium cookers. It has been used about twice. Size: Approximately 12 x 12 cm Material: Frame: Stainless steel Mesh: Special heat-resistant steel FCHW2 Weight: Approximately 50g It converts the flame of a single burner into soft infrared heat. It allows for low-heat cooking. It can also be used as a stabilizer and non-slip base for placing cookware.