KINGSO 4pcs Reusable Black Foil Gas Range Hob Stovetop Nonstick Protector Liner Material: PTFE / Polytetrafluoroethylene Color: Black Size: appr. 27x27cm/ 10.6"x10.6" Package Content: 4x Gas Hob Protector Liner Protector must be clear of any flame to avoid possible file injuries or product damage. Withstands temperatures up to 260 Celsius